Search: dual nature of matter & radiation

Number of results: 6,928

dual nature of matter & radiation
Light of frequency 1.5 times the threshold frequency is incident on photo-sensitive material.If the frequency is halved & intensity is doubled,the photo current becomes 1. Quadrupled 2. Doubled 3. Halved 4. Zero
Monday, March 2, 2009 at 5:59am by hriday

Cosmology
In order from earlier to later times, the dominant components of our universe have been: * dark energy, matter, then radiation * dark energy, radiation, then matter * matter, radiation, then dark energy * radiation, matter, then dark energy
Wednesday, January 16, 2013 at 12:25am by qwerty

dual nature of matter & radiation
Actually, it will depend upon how the quantum efficiency of the photosensitive material varies with frequency. The "quantum efficiency" almost always depends upon wavelength (and therefore frequency), especially near the threshold for the photelectric effect. In this...
Monday, March 2, 2009 at 5:59am by drwls

college physics
Light may be considered to travel as a electomagnetic wave but it shows dual nature..i.e., particle nature also. so it travels in st.path
Saturday, July 31, 2010 at 4:28pm by manoj

chemistry
how can i compare the dual nature of light how can i describe the phenomena that can be explained only by the particle model of light. how can i empoly the quantum theory to assess the amount of energy that matter gains and loses how did Einstein utilize Plancks quantum ...
Thursday, November 6, 2008 at 5:10pm by dina

physical science
matter is what mass is made of. It connects to science by physics (finding out how matter works with the earth and laws of nature) and chemistry (finding out about the different types of matter an measuring and chanign it) matter connected to the world, everything is made up ...
Sunday, September 30, 2007 at 6:56pm by Casey

9th grade
Explain what is meant by the "dual nature" of light
Wednesday, April 15, 2009 at 10:08pm by Jenny

chemistry
Which of the following statements about UV radiation is/are FALSE? (Select all that apply). ? a. UV B radiation covers a longer wavelength spectrum than UV A radiation. b. UV B radiation has sufficient energy to break any covalent bond. c. UV B radiation covers a frequency ...
Sunday, September 21, 2008 at 9:14pm by Jasmine

Science Sorry I just need help one more time!
Ok I am doing a project in science on radiation. I have to make a brochure. I need help answering these questions about radiation. Or some good sites would be nice too. I looked on google but they didnt really help. Thank you! Where does radiation come from? When is it ...
Thursday, January 15, 2009 at 2:14pm by Amy

Physics
For the particle nature of light?: Hereare a few more: Stimulated emission (lasers) The long-wavelength cutoff of solar cells The Planck blackbody radiation law Electron-positron recombination (gamma) radiation K-capture radioactivity
Monday, April 14, 2008 at 10:57pm by drwls

the big idea of energy
Copy and paste for the win: The "big idea" of energy, is a phrase designed to point out that everything in the universe is energy in one form to another and that the sum of energy is maintained. Energy can only be transferred or transformed from one form or another ...
Tuesday, December 5, 2006 at 2:18pm by Sam Matthews

chemistry
i dont understand how to compare the dual nature of light. i dont know what that means
Thursday, November 6, 2008 at 5:10pm by dina

physics
Human skin (choose all that apply) 1. emits radiation well. 2. absorbs radiation well. 3. does not emit radiation well. 4. does not absorb radiation well. 5. has an emissivity of 0.
Tuesday, October 4, 2011 at 12:29am by ice cream

college physics
Human skin (choose all that apply) 1. emits radiation well. 2. absorbs radiation well. 3. does not emit radiation well. 4. does not absorb radiation well. 5. has an emissivity of 0.
Tuesday, October 4, 2011 at 12:36am by ice cream

english
i have to discuss the dual nature of people. I want to talk about MArc Antony in the Tradgey of julius Caesar but I I know he manipulates but what is his other side?
Tuesday, June 17, 2008 at 3:30pm by maggie

Biology
_____________provided significant sources of energy on early Earth, and were most likely involved in the origin of life. Options A) Volcanic activity, violent thunderstorms, and ultraviolent radiation B) Bombardment from meteorites, gamma radiation, and osmic radiation. C) ...
Wednesday, August 29, 2007 at 10:43pm by Sabrina

Chemistry - matter and energy.
I think the question is trying to get at that in nature we tend to view energy and matter (=mass) as separate quantities. Whereas in the quantum mechanical world there is a relationship between energy and matter (=mass) through E=mc^2
Wednesday, February 16, 2011 at 5:27am by Dr Russ

Science
Matter and energy are related to each other at the atomic level. Energy and matter are also associated to each other at much larger scales of nature. The laws of thermodynamics describe some of the associations between energy and matter as they relate to the Universe.
Wednesday, September 5, 2007 at 11:05pm by ROFL

chemistry
Excited lithium atoms emit radiation at 670.8nm. a. calculate the frequency of this radiation. b. calculate the energy (in eV) of this radiation. c. What color is this radiation?
Saturday, January 22, 2011 at 11:39am by Maria

Science
Nuclear radiation does NOT cause nature.
Monday, September 22, 2008 at 9:09pm by Ms. Sue

cycles of matter (life science)
How does the Laws of Conservation of Matter and Energy relate to the Cycles in Nature?
Sunday, March 24, 2013 at 12:00am by Anonymous

Science
What are some dangers of nuclear radiation that can cause nature
Monday, September 22, 2008 at 9:09pm by Adam

Science
Visible matter is a small fraction of the total mass-energy in the universe, Detectable electromagnetic (including microwave) radiation has more energy than visible matter. Greater still is what is believed to be "dark" mater and "exotic" energy that cannot...
Monday, February 16, 2009 at 12:36am by drwls

Physics
What evidence can you cite for the wave nature of light? Diffraction Focusing by lenses Constructive and destructive interference Rainbow colors in a thin layer of oil on water Refraction Rainbows For the particle nature of light? The photoelectic effect Photolysis by short-...
Monday, April 14, 2008 at 10:57pm by drwls

chemistry
How do scientists know that light has a dual wave-particle nature? In what ways does light behave as wave and particle?
Sunday, November 23, 2008 at 7:20pm by ashley

college Chemistry
Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near 2.80um. Suppose this radiation is absorbed by the water and converted to heat. A 1.00 ...
Sunday, December 6, 2009 at 11:51am by Need Help

Science
Does infrared radiation or ultraviolet radiation have wavelengths that are shorter than visible light? My answer is ultraviolet radiation. I am really sure about this one. Am I correct?
Friday, September 10, 2010 at 11:44pm by Reed

science
Matter is the stuff of the universe, and is everything that we can (and can't) see. Mass is the amount of matter in an object (a relation to matter). Volume is how much space the matter takes up (also relating to matter).
Tuesday, January 17, 2012 at 9:08pm by Laruen

stat
1. The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected 350 observations from population 1 (dual degree students) and 310 from population 2 (MBA students). The ...
Monday, November 29, 2010 at 1:37pm by jeen

Science Sorry I just need help one more time!
Your "what is it" discussion is fine if you are just talking about electromagnetic radiation. When you talk about radioactivity, some kinds of particles are also called "radiation". These are alpha particles (helium nuclei), beta particles (electrons and ...
Thursday, January 15, 2009 at 2:14pm by drwls

_____ radiation can damage genes?
If you have to pick one answer, gamma radiation is the best choice. There are some ionizing radiation types that do not cause gene damage, mainly becasue they do not normally reach the sexual organs.
Tuesday, September 15, 2009 at 8:49pm by drwls

chemistry
The question speaks to the so-called duality of light. There are some aspects of light that can be explained only if we think of light as being a wave (reflection for example or light passing through a prism or grating to produce the rainbow of colors) and other aspects of ...
Thursday, November 6, 2008 at 5:10pm by DrBob222

chemistry
Technetium-99m emits only gamma radiation. Why would this type of radiation be used in diagnostic imaging rather than an isotope that also emits beta or alpha radiation?
Sunday, October 7, 2012 at 11:27am by Boo Boo

English
In "A White Heron," having made her choice between an attraction of the heart and her bond with nature, Sylvia A. retains her loyalty to nature and becomes more suspicious of human nature. B. retains her loyalty to nature as her affection for the hunter grows. C. is ...
Thursday, August 25, 2011 at 11:06am by lenae

physics
a) What is the frequency of a photon of UV radiation ( = 2.00 x 10^-7 m)? (b) Calculate the energy of a photon of UV radiation. (C) What is the frequency of a photon of infrared radiation ( = 1.083 x 10^-6 m)? (d) Calculate the energy of a photon of infrared radiation. (e) How...
Saturday, February 11, 2012 at 8:41am by hannah

physics
You need to look up the solar radiation at that location. Then, look to see how many hours of radiation is supported. In june, one probably can get about 6 hours of effective radiation, but you will find tables for this. No, not 24 hours, you cant get radiation during the ...
Saturday, December 4, 2010 at 2:19pm by bobpursley

science
Where does energy come from? Energy can come from the complete destruction of matter (as in nuclear reactions), or the rearrangement of electrons or other charged particles inside matter (as in chemical reactions) or from electromagetic fields (as in light and heat radiation...
Monday, July 24, 2006 at 6:21am by Sandra

chemistry
Which is not a true statement concerning electromagnetic radiation? It travels through space at 3.0 x 1010 cm/s. It travels in a straight line. It has the fastest speed possible in nature. The sun is a source of it.
Thursday, December 1, 2011 at 6:10pm by katelyn

English Lit-Please recheck
Then would the answer be Nature is at once wholly wild and wholly restrained or would it still be Nature must abide by the rules nature itself created because that sounds alot like your interpretation "Nature is restrained by the laws of nature." I'm still not ...
Monday, February 20, 2012 at 10:55am by Jody

physics
I just found the following: I didn't find any time tables I still need help Regards Solar radiation on Earth: As the Sun's energy spreads through space its spectral characteristics do not change because space contains almost no interfering matter. However the energy ...
Saturday, December 4, 2010 at 2:19pm by bark

cognitive and langauge devel.
Piagets famous ? problem demonstrates preoperational childrens difficulty with? THREE MOUNTAIN; DUAL REPRESENTATION THREE MOUNTIAN; HIERARCHICAL CLASSIFICATION CLASS INCLUSION; HIERARCHICAL CLASSIFICATION CLASS INCLUSION; DUAL REPRESENTATION THANK YOU FOR THE HELP IAM SO STUCK
Thursday, August 11, 2011 at 10:16pm by jenn w

English
Hey, the poem is about a conflict between man and nature, it has a glorious tone. The narrator is the sun (i.e. nature) who is an awe of Marvell who is one with nature.
Friday, February 1, 2008 at 4:46pm by Mrs. Shannon

English
Can you please tell me if the phrases in brackets are possible? Thank you. 1)Wordsworth imagines himself as (like) a cloud which overflows (better: floats over) valleys and hills. 2)Before (Wordsworth) nature was seen as a philosophical entity. Now it starts to be seen as a ...
Friday, November 26, 2010 at 11:36am by Franco

Science question
Wrong. All of those can be used with batteries -- including a microwave oven. http://www.sportsimportsltd.com/portable-dual-ac---12v-dc-microwave-oven.html?utm_source=portable-dual-ac---12v-dc-microwave-oven&utm_medium=shopping%2Bengine&utm_campaign=googleproducts&...
Tuesday, April 23, 2013 at 3:32pm by Ms. Sue

physics
a radiation survey meter observed gamma radiation of 150 mR/hr. The air field ionization chamber has a volume of 580 cubic cm. If the electron generated by the radiation in the chamber are swept out by an electric field, what is the current produced? please answer, thank you ...
Saturday, December 8, 2012 at 12:22am by nitz

science
The FRACTION of light reflected back to space is called the albedo. The radiation itself would just be called the reflected radiation. Be careful when using the word "light". It properly refers only to visible radiation between 400 and 700 nm in wavelength. Much (...
Monday, November 24, 2008 at 1:17pm by drwls

Physics
Alpha radiation is more damaging per unit of energy deposited in living tissue than is beta or gamma radiation. The "quality" factor of twenty used for alpha radiation is somewhat arbitray and has changed over the years. A factor of ten is used for neutrons.
Wednesday, January 14, 2009 at 11:57pm by drwls

English**
Alexander Pope's "An Essay on Criticism. Would this be considered a analogy or personification? Those RULES of old discover'd, not devis'd, Are Nature still, but Nature Methodiz'd; Nature, like Liberty, is but restrain'd By the same Laws which first ...
Tuesday, May 3, 2011 at 5:50pm by Jeanna

_____ radiation can damage genes?
Is it ionizing, nonionizing or gamma radiation??
Tuesday, September 15, 2009 at 8:49pm by RAYMOND

Advanced Functions - Grade 12
Radiation from the sun keeps us alive, but with the thinning of the ozone layer, it is important to limit exposure. Most of us know that the sun is far more intense at the equator than at the poles. The relationship between the intensity of radiation with respect to the ...
Tuesday, July 20, 2010 at 12:22am by Nish

EnGliSh
Is Tintern Abbey - Nature about nature, about human nature, or both? Explain, citing lines from the poem to support your ideas
Sunday, May 6, 2012 at 7:23pm by CHEYANNE MARIE

Physics
for gamma radiation 1rad=1rem, but for alpha radiation 1 rad=20rem. Why is there a difference?
Wednesday, January 14, 2009 at 11:57pm by Leila

science
infrared radiation and some visible radiation.
Tuesday, October 13, 2009 at 7:14pm by Sara

thermodynamic
heat transfer generally means heat conduction or radiation. Thermodynamics adds to this the quantity of time, and the heat storage content of materials and matter.
Monday, June 20, 2011 at 2:12pm by bobpursley

Science
Scientists theorize that an increase in atmospheric carbon dioxide level might cause an increase in global temperatures. This theory is based on the fact that carbon dioxide is a. good absorber of infrared radiation b. poor absorber of infrared radiation c. good reflector of ...
Thursday, January 22, 2009 at 8:08pm by Emeralda

chemistry
A microwave oven heats by radiating food with microwave radiation which is absorbed by the food and converted to heat. Suppose an oven's radiation wavelength is 12.5 cm. A container with 0.250 liter of water was placed in the oven and the temperature of the water rose from...
Wednesday, October 31, 2012 at 9:24am by jimmercarbone

chemistry
Combined Modality: For instance, surgery, radiation, chemotherapy, hormonal or immunotherapy may be used alternatively or together for maximum effectiveness. So I suppose, you need to choose two therapies appropriate for intial breast cancer, then assuming one is radiation, ...
Saturday, May 1, 2010 at 7:13am by bobpursley

Biology
for my sister again. what be 2 examples of short wave radiation that can trigger mutation. she only found uv radiation.
Thursday, March 8, 2012 at 8:15pm by Mohammad

astronomy
What is teh wavelength of electromagnetic radiation that has a frequenc of 3 x 10 16 Hz? In what part of the spectrum does this radiation occur?
Thursday, September 29, 2011 at 5:22pm by lynn

Chemistry!
Hey jiskha. Microwave ovens emit microwave radiation that is absorbed by water. The absorbed radiation is converted to heat that is transferred to other components of the food. Suppose that the microwave radiation has a wavelength of 12.7 cm. How many photons are required to ...
Sunday, November 14, 2010 at 4:54pm by Alex

cycles of matter (life science)
I sincerely hope this is not in your textbook, there is some hope for education if it is not. Cycles in nature has to do with how Earth systems renews itself...sort of...but all those cycles require energy input from outside..such as solar energy. Law of Matter and Energy ...
Sunday, March 24, 2013 at 12:00am by bobpursley

physics
if a scientist working with electromagnetic radiation has detected a frequency of 2.8X10^10Hz for one of the waves, what is the wavelength of this radiation wave?
Thursday, May 30, 2013 at 6:31pm by carmen

Science
What are some of the effects of the sun's radiation on the earth's atmosphere including the green house effect, conduction, convection and radiation?
Wednesday, April 10, 2013 at 3:49pm by Aj

physics
A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz.
Sunday, July 1, 2012 at 9:39pm by LL

physics
Electromagnetic radiation having a 12.0 µm wavelength is classified as infrared radiation. What is its frequency? 1 Hz i got 1.31e+13???
Tuesday, May 29, 2012 at 1:04pm by Amelia

More chemistry
Hey jiskha. Microwave ovens emit microwave radiation that is absorbed by water. The absorbed radiation is converted to heat that is transferred to other components of the food. Suppose that the microwave radiation has a wavelength of 12.7 cm. How many photons are required to ...
Sunday, November 14, 2010 at 3:39pm by Alex

poetry
http://www.poemhunter.com/poem/pantoum-on-nature-s-patience/ (AABB...) You can also use Google to search for these terms: nature poems nature and realism poems nature and romanticism poems and others.
Wednesday, May 5, 2010 at 5:07pm by Writeacher

chemistry
What would the wavelength of radiation whose frequency is 5.75*10 to the 9th cycles per second be? Name the type of radiation it is?
Thursday, February 10, 2011 at 10:13pm by Elaine

Engliish Lit-Please check
"Those RULES of old discover'd not devis'd Are nature still, but Nature Mehtodiz'd Nature, Like Liberty is but restrain'd By the same Laws which first herself ordain'd What is this an example of simile hyperbole analogy overstatement personification I...
Thursday, February 16, 2012 at 5:34pm by Jasmine

English
1)Wordsworth imagines he is a cloud which floats over valleys and hills. 2)Before Wordsworth, nature was seen as a philosophical entity. Now it starts to be seen as a real living being. He sees nature in a pantheistic way. 3)In the second stanza, the poet describes nature ...
Friday, November 26, 2010 at 11:36am by Writeacher

Chemistry
I am wondering if my work makes sense for the following problem: Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near 2.80um. Suppose this ...
Sunday, December 6, 2009 at 7:19pm by GenChem

chemistry
Calculate the energy of a photon of electromagnetic radiation at each of the following wavelengths.503 nm(wavelength of maximum solar radiation) i need help please!
Friday, January 25, 2013 at 6:40am by savannah

Chemistry!
a microwave oven uses electromagnetic radiation with a wavelength of 3.00x10^6 nm. calculate energy (in joules) of 1.65 moles of photons of this radiation.
Wednesday, April 6, 2011 at 8:57pm by Rachel

college physics
A typical wavelength of infrared radiation emitted by your body is 25 µm (2.5 multiplied by 10-5 m). What is the energy per photon of such radiation?
Monday, April 26, 2010 at 9:30pm by Josh

Physics
Ray of laser start from the air and collide with the middle side of some matter > How many total internal reflections done in this matter ?? n ( matter)= 1.48 n (air)= 1.00 The length of matter = 42.0 cm The width of matter = 3.1 mm Ray of laser collide by angle =20(...
Wednesday, November 14, 2007 at 7:47am by mo

English
As you know, Anne frequently refers to how much she appreciates and enjoys nature. Why is nature so important to Anne? What does nature represent that she so desires? How do Anne’s passages on nature in the diary affect her mood and affect the mood of the diary? (this is ...
Sunday, February 27, 2011 at 9:30pm by Roxy

English Lit-Please help
Here's the paradox: "Nature like Liberty is but restrain'd By the same laws which frst herself ordain'd ... " Nature is restrained by the laws of Nature!! And so is Liberty.
Monday, February 20, 2012 at 10:55am by Writeacher

Science - Radiation
A radioactive isotope, used in the agricultural industry has a half life of 8 days. On application, the radiation is emitted is measured at 12500 counts per sec (cps). If the area that it is applied to cannot be used until the radiation strength is less than 50 cps how long ...
Saturday, January 26, 2013 at 6:29pm by Manu

CHEM URGENT
Infrared, ultraviolet, and visible radiation are all part of the electromagnetic spectrum. Arrange the three types of radiation in order of increasing energy.
Saturday, January 17, 2009 at 12:36am by james

please correct grammer in my paragraph
The critics of power plants are right: The amount of radiation power plants release is dangerous. However, people don’t realize that they are constantly exposed to radiation by various ways. One can get exposed to radiation of 350 millirems from just standing in the sun ...
Thursday, November 1, 2007 at 11:41pm by julie

chem lab (webwork)
A crazy question. It doesn't matter what solute is used UNLESS it is an ionic one versus a non-ionic solute. I would not know to pick B or not; technically, it doesn't matter what the solute is (it depends upon the number of dissolved particles) BUT it depends enough ...
Saturday, April 3, 2010 at 12:02am by DrBob222

English Lit-Please help
We had to read An Essay on Criticism by Alexander pope and answers some questins. I spent my weekend trying to figure out one of the questions-Could someone please help "Those Rules of old discover'd, not devis'd Are Nature still, but Nature Medthodiz'd Nature...
Monday, February 20, 2012 at 10:55am by Jody

science
Matter is anything that has mass and occupies space. What is mass? Anything that opposes a change in motion. examples of matter: atoms, molecules, electrons, protons, neutrons, positrions (actually this is called anti-matter, a form of matter).
Monday, September 17, 2007 at 4:05am by bobpursley

ENVIRONMENTAL SCIENCE
A viewpoint in the video that I saw was that we need to preserve nature and all the living species in it, each species has its importance in this world. If we do not than we are potentially losing out on things that could benefit humans like scientist Tom Eisner has done in ...
Tuesday, January 19, 2010 at 12:30pm by Georgia

English
That death is part of nature and man cannot stop it. If man were able to fight death, the man in the story would have been able to rebuild the fire and survive, but nature as fate prevailed by taking his life. This story also shows man's reliance on nature to survive, and ...
Wednesday, May 23, 2012 at 9:45pm by Neil

science
What is matter? And four examples of objects/substances that would be classified as ''matter'' Please help me with this question and anyhting else you know about ''matter''
Monday, September 17, 2007 at 4:05am by Megan

Chemistry
If there is a radiation that has a half life of 10 days and we have it for 110 days, what will be the fraction of radiation left?
Sunday, November 6, 2011 at 1:59am by Jennifer

chemistry
If there is a radiation that has a half life of 10 days and we have it for 110 days, what will be the fraction of radiation left?
Sunday, July 10, 2011 at 2:56pm by g

Chemistry
A 0.22-caliber handgun fires a 27-g bullet at a velocity of 765 m/s. Calculate the de Broglie wavelength of the bullet. Is the wave nature of matter significant for bullets?
Wednesday, March 28, 2012 at 12:40am by danielle

PHYSICS-radiation
Four billion years ago the Sun’s radiative output was 30% less than it is today. (i) If we assume the radius of the sun is the same, and that the Earth’s atmosphere was the same as it is now (that is, the atmosphere absorbs 10% of the incoming solar radiation and 80...
Sunday, January 24, 2010 at 11:57pm by RANI

chemistry
Wave nature: If we analyze a beam of light with a double slit or a diffraction grating, we get an interference pattern (colored light fringes) which is consistent with the wave nature of light. We can perform measurements on the interference pattern and calculate wavelengths. ...
Sunday, November 23, 2008 at 7:20pm by GK

PHYSICS
Consider a one layer atmosphere for the planet Venus. 19% of incoming solar radiation is absorbed by the atmosphere. 99% of the outgoing radiation is absorbed by the atmosphere. The incoming radiation, E, as measured by satellite is 615 Wm-2. 1) Derive two equations, one for ...
Sunday, January 24, 2010 at 12:27pm by Bubbles

please correct grammar in my paragraph
The critics of power plants are right: The amount of radiation that power plants release is dangerous. However, people don’t realize that they are constantly exposed to radiation by various ways. One can be exposed to radiation of 350 millirems from just standing in the ...
Thursday, November 1, 2007 at 11:41pm by Writeacher

science chem
As a radio active material gets older, does it emit less, more or a constant level of radiation per second? There is less matter to convert, and it takes the same time per atom. Of course the activity is less.
Sunday, April 1, 2007 at 3:30pm by sean

physics
suntanning produces cell damage in the skin. why is ultraviolet radiation capable of producing this damage, while visible radiation, even if more intense, is not?
Wednesday, September 2, 2009 at 8:50am by Asaad

Chem
which of the following statements is true regarding electromagnetic radiation? Options: 1. electromagnetic radiation with a wavelength of 600 nm travels faster than that with a wavelength of 400 nm. 2. the frequency of electromagnetic radiation determines how fast it travels. ...
Tuesday, July 13, 2010 at 11:53pm by Ally

*updated Chem
I am wondering if my work makes sense for the following problem: Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near 2.80um. Suppose this ...
Sunday, December 6, 2009 at 7:51pm by GenChem

chemistry
a sample of molybdenum is analysed by x-ray diffraction using Nik(alpha) radiation. calculate value of angle of which the lowest angle of radiation is observed . answer in degrees.
Sunday, April 28, 2013 at 5:31am by himani.

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