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Electromagnetic Radiation
Page 3
Questions (364)
After a .800-nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.20 x 10^6 m/s. (a) What
4 answers
asked by
Mischa
973 views
An incident X-ray photon of wavelength 0.2800nm is scattered from an electron that is initially at rest. The photon is scattered
2 answers
asked by
Libby
541 views
A certain radar installation used to track airplanes transmits electromagnetic radiation of wavelength 7 cm.
(a) What is the
4 answers
asked by
emily
1,208 views
Wien’s radiation law says that the wavelength of most intense radiation (λmax) emitted by a blackbody is inversely
4 answers
asked by
larry
2,333 views
What do the characteristics of electromagnetic radiation include?
A) characteristics of waves only B) characteristics of neither
5 answers
asked by
Pablo penguin
622 views
Infrared radiation from young stars can pass through the heavy dust clouds surrounding them allowing astronomers here on earth
2 answers
asked anonymously
44 views
Which type of electromagnetic radation has more energy than visible light and can pass through the human body
2 answers
asked anonymously
55 views
Which is electromagnetic radiation with wavelengths between 380 nm and 700 nm?(1 point)
Responses visible light microwaves
2 answers
asked anonymously
93 views
Which type of electromagnetic radiation has more energy than visible light and can pass through the human body?(1 point)
Response
2 answers
asked anonymously
55 views
Why don't the sun’s rays fall evenly on the Earth’s surface?
1 answer
asked by
????????????????????
77 views
A television remote control is used to direct pulses of electromagnetic radiation to a receiver on a television. What does this
1 answer
asked by
Anonymous ;)
109 views
The diagram below shows the frequencies of various types of electromagnetic radiation.
image 3729e4d9e1084b14b3471d39972b1619
1 answer
asked by
Anonymous ;)
219 views
A television remote control is used to direct pulses of electromagnetic radiation to a receiver on a television. What does this
1 answer
asked by
Anonymous ;)
168 views
A television remote control is used to direct pulses of electromagnetic radiation to a receiver on a television. What does this
1 answer
asked by
Anonymous ;)
90 views
X-ray technicians wear protective gear to keep them safe from the X-rays. Why are X-rays dangerous?(1 point)
Responses They have
2 answers
asked by
Anonymous ;)
144 views
X rays of wavelength 0.0166 nm are directed in the positive direction of an x axis onto a target containing loosely bound
2 answers
asked by
Sam
586 views
I have a quick question. How is the sun an example of radiation? Is it because the they have electromagnetic waves? I'm a bit
3 answers
asked by
Jadah
577 views
A cook uses a microwave oven to heat meal. The wavelength is 3.30cm. what is the energy of one photon of this microwave
3 answers
asked by
Nathaniel Benson
63 views
Calculate the wavelength (in nm) of a photon needed to eject an electron with a kinetic energy of 3.93 eV from a metal surface
1 answer
asked by
Michelle
454 views
3 types of radiation( i.e., invisible light)
3 answers
asked anonymously
38 views
An antenna is connected to a car battery. Will the antenna emit electromagnetic radiation? Why or why not? Explain
4 answers
asked by
Steve
904 views
When a metal was exposed to light at a frequency of 4.26× 1015 s–1, electrons were emitted with a kinetic energy of 4.50×
1 answer
asked by
Chelsea
480 views
What do the characteristics of electromagnetic radiation include?
A) characteristics of waves only B) characteristics of neither
1 answer
asked by
Check my answer
360 views
How are radio waves and gamma rays different from each other in terms of their effects on matter?
2 answers
asked by
tree
2,367 views
list 3 forms of radiation from the sun.
how are they alike. how do they differ?
2 answers
asked by
Jade
474 views
9. A certain radar installation transmits electromagnetic radiation with a wavelength of 2.5 cm. What is the frequency of this
1 answer
asked by
doranda
625 views
What is the difference in energy for a photon of ultra-violet radiation, wavelength 319 nm and a photon of ultra-violet
1 answer
asked by
steph
448 views
Too many of which type of ray will give a person a sunburn? (1 point) Responses visible light visible light infrared infrared
3 answers
asked by
Daniela :)
76 views
What is the wavelength of electromagnetic radiation that has a frequenc of 3 x 10 16 Hz? In what part of the spectrum does this
1 answer
asked by
lynn
509 views
Electromagnetic radiation travels through vacuum at a speed of __________ m/s.
Question 20 options: a) 6.9 b) 9.81 c) 3 x 108 d)
3 answers
asked anonymously
28 views
a microwave oven uses electromagnetic radiation with a wavelength of 3.00x10^6 nm. calculate energy (in joules) of 1.65 moles of
3 answers
asked by
Rachel
619 views
An X-ray photon of wavelength 0.948nm strikes a surface. The emitted electron has a kinetic energy of 979 eV.
What is the binding
1 answer
asked by
soso
608 views
Infrared, ultraviolet, and visible radiation are all part of the electromagnetic spectrum.
Arrange the three types of radiation
3 answers
asked by
Shawn Tabrizi
604 views
A photon of an X-ray radiation has a wavelength of 5.50 Å. For the radiation, calculate the (a)frequency in Hertz, (b)the
3 answers
asked by
Kelley
908 views
Microwave ovens emit microwave radiation that is absorbed by water as heat. Suppose that the wavelength of the radiation that is
3 answers
asked by
qwerty123
1,174 views
Hey jiskha.
Microwave ovens emit microwave radiation that is absorbed by water. The absorbed radiation is converted to heat that
3 answers
asked by
Alex
864 views
1) here has been a great deal of controversy over whether cell phones cause brain cancer due to the emission of high energy
2 answers
asked by
Kelsey
482 views
In blackbody radiation, the energy is radiated uniformly in every region of the spectrum, so the radiating body appears black in
3 answers
asked by
Layla
876 views
Which of the following is NOT considered a form of electromagnectic radiaction?
a-radio waves b-gravity c gamma rayas d visible
1 answer
asked by
Anonymous
419 views
I am wondering if my work makes sense for the following problem:
Warm objects emit electromagnetic radiation in the infra-red
5 answers
asked by
GenChem
528 views
A green leaf has a surface area of 2.40 cm^2.
If solar radiation is 1120 W/m^2, how many photons strike the leaf every second?
1 answer
asked by
Eddie
920 views
do gamma rays carry momentum? i thought they don't because they don't have mass so mv=0 but my frend says even tho they don't
1 answer
asked by
Tiffany
307 views
what objects are made of or have gamma, infared, and radio!!
3 answers
asked by
iluv2cheer
251 views
How do the types of electromagnetic radiation, including the colors of the visible spectrum, lineup in order of relative
1 answer
asked by
iluv2cheer
418 views
This problem really bugs me and I did figure out the diagram but I cannot figure out the wavelength. Please help me with this
2 answers
asked by
shylo
492 views
All objects emit ______ radiation.
Is it incident? The frequency of the radiation of most objects is a) below b) in the middle of
2 answers
asked by
samantha
679 views
X-ray technicians wear protective gear to keep them safe from the X-rays. Why are X-rays dangerous?(1 point)
Responses They have
3 answers
asked by
Answer
39 views
is a lightbulb in your house radiation
1 answer
asked anonymously
11 views
Earths temperature averaged over the year is about 300 Kelvin. At what wavelength does it radiate most strongly? What part of
1 answer
asked by
rohan
465 views
How is it a substance can emit photons of visible light after absorbing ultra violet photons but not with infrared
radiation The
1 answer
asked by
Sue
574 views
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