Sunday
December 4, 2016

# Search: Physics/ optics

Number of results: 69,865

physics
What is optics?
July 19, 2012 by Saiman

laser optics
what is laser optics, how laser optics work?
May 31, 2008 by serdar

physics
what are the different layers of fiber optics
May 28, 2008 by sai

Physics
What do u mean by phase in wave optics??
June 15, 2012 by Abhi

physics
what is the physics principle behind fiber optics??
November 6, 2009 by jonas

physics
physics behind fibre optics
October 31, 2010 by g

Gr 11 Physics Optics Unit
Explain why a virtual image must always be upright.
November 25, 2009 by JOC

Physics/ optics
An object is located 25cm in front of a +6.00 lens, where is the image? is it real or virtual?
April 2, 2010 by Noelle

Physics/Optics
What would the image size of the moon be if you photographed it at Cassegrain focus of a 24-inch telescope with a focal length of 9600mm?
April 22, 2013 by Blake

physics(optics)
The critical angle between an equilateral prism and air is 45 degrees.if the incident ray is perpendicular to the refracting surface,then what happens?
December 30, 2015 by Timothy

physics
show that 1/sqrt(Msubscript 0 Esubscript 0)=C...I don't understand how to show this or what this question is asking..its for wave optics
April 29, 2008 by Jessica

physics/optics
Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve

Optics/Physics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm. (Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the Earth.)
April 23, 2013 by Blake

engineerig science
I have to make a power point on fiber optic cable i need links on how to make fiber optics cable actually the real question is what engineers might do in companines that produce fiber optics cable. To answer the question, I would have to explain the steps how engineers make a ...
November 18, 2007 by julie

Physics, ray optics
An astronomical telescope of magnifying power 7, consist of two thin lenses 40 cm apart in normal adjustment. Find the focal length of the lenses.
October 14, 2016 by Bishmay

Fiber Optics
What is fiber optics?
September 23, 2012 by Tialia

optics
I want to substitude the ray optics analysis with what are the resultant waves that happen. I say "resultant" because many waves that would exist if they were alone, as they are not alone, after their superposition with the other waves become some resultant waves which are not...
May 13, 2011 by Theodore

Optics
How to find critical angle using n?
November 2, 2014 by Terry

Physics - optics
the index of refraction of ruby is less than the index of refraction of diamond, Why?
July 28, 2013 by silent_klr

physics-optics
The index of refraction of Ruby is less than the index of refraction of diamond. Why?
July 31, 2013 by silent_klr

gen physics II optics
Find the radius of a star image formed on the retina of the eye if the aperture (pupil) diameter at night is 0.70 cm and the length of the eye is 3.1 cm. Assume the wavelength of the starlight in the eye is 500 nm. (1nm=10^9 m)

optics
what is the success rate of laser eye surgery?
October 11, 2011 by joanne g

Physics
Subject: Light and Geometric Optics Question: Where must a light source be placed in front of a concave mirror for a) light energy to be concentrated to a single point b)the light to be reflected in a parallel beam?
May 22, 2010 by Emily

PHYSICS
What is the thinnest film of a coating with n=1.42 on glass n=1.52 for which destructive interference of the red component (650 nm) of an incident white light beam in air can take place by reflection? I ALREADY SOLVED THIS QUESTION, BUT I NEED SOMEONE TO GIVE ME THE EXACT USE ...
January 19, 2013 by udochi

optics
An objuect is located 20cm in front of a -3.00 lens where is the image?
April 2, 2010 by Noelle

science (optics)
explain the process of accommodation in the human eye. thanks :)

wave optics
what kind of waves sensitive human ear
May 10, 2015 by abdulhayi musa

physics
please give me some idea for making a working model based on optics. Like combination of light and lenses, spectrum etc......& how can i make a working model with the use of contact lenses....
June 18, 2013 by edward

mis
what is the function of fiber optics communication cable and enterprise software for the it system in a school?
September 25, 2011 by digital city

MATH/OPTICS
April 12, 2010 by lily

science (optics)
Explain why inverted imgaes are produced by the eye yet we see upright images. Thanks :)

optics in physics
acorridor is lighted by 4 lamps s10cm apart and suspended at a height of 5m above the centre of the floor. if each lamp gives 200cp in all directions below the horinzontal, find the illumination at the point on the floor mid-way between the second and third lamps
October 6, 2016 by james ugbes

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?
August 27, 2012 by SABRINA

physics
Identify the area of physics that is most relevant to each of the following situations. Explain your reasoning. a. a high school football game b. food preperation for the prom c. playing in the school band d. lightning in a thunderstorm e. wearing a pair of sunglasses outside ...
August 21, 2006 by Anonymous

optics
Describe how you could find the focus of a converging lens using a candle, a sheet of white paper, and a ruler (be explicit)?
June 10, 2013 by reed

Waves and optics
Find the binding energy per nucleon in J and eV for the three following isotopes, given their atomic masses in u: 22(A) 6(Z) of carbon 22.0572097 u
May 20, 2016 by maryam

Physics (optics) - Black Body Radiation
If you use a filter that transmits only between 1.95-2.05 um, what is the total power falling ona 1 cm^2 detector 1m away from a 1cm^2 1000K black body? I know the formula for I and I think I need to integrate something, but I have no idea what formula to use for this problem.
November 20, 2006 by Sam

optics
Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve

Physics- Optics
A double lens system is made of +35.0 cm lens (lens #1) and a - 26.0 cm lens (lens #2). Lens #1 is placed at x = 0 cm on a meter stick and lens #2 is placed at x = 30.0 cm. Where on the meter stick will the final image be formed when looking at a distant object? s2"=f2(f1-d)/...
April 5, 2016 by B

Optics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).
April 22, 2013 by Blake

WAVE OPTICS
A traviling wave is discribed by the equation Y= exp(-az^2-bt^2-2underadical(ab zt)) 1,in what direction is the wavetravelling 2,what is the wave speed
April 26, 2015 by MINTASINOT ADUNYA

theoretical optics
Whereb must an object be placed from a concave mirror of radius of curvature of 6cm. to give an image on a screen four times as large as the object
March 19, 2012 by Barbie

optics
Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve I have had a look at that website but still struggling

optics ray tracing
light travels in a straight line, why is this important for the technique of ray tracing?
March 21, 2010 by Jose

wave optics
A double slit arrangement is illuminated first with red, then with blue light. a. which one has wider fringes? b. which one produces more fringes?
April 21, 2016 by Anonymous

wave optics
A double slit arrangement is illuminated first with red, then with blue light. a. which one has wider fringes? b. which one produces more fringes?
April 21, 2016 by Erza

Physics-Optics
A woman can see clearly her right eye only when objects are between 45 cm and 155 cm away. Prescription bifocals should have what powers so that she can see distant objects clearly(upper part) and be able to read a book 25 cm away(lower part) with her right eye? Assume that ...
April 18, 2009 by Sandhya

Physics ( optics)
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm behind this lens is a concave lens with a focal length f2 = -13.9 cm. The object to be photographed is 4.06 m in front of the objective lens. How far ...
September 17, 2010 by Rudi

OPTICS
A real object is placed 25cm in front of a thin meniscus lens with a Power of +8.25 and index of refraction of 1.50. What is the radius of curvature of the back surface of the lens to which an image is formed 50cm away? I HAVE NO IDEA WHERE TO EVEN BEGIN?
January 17, 2014 by optics

Physics-Optics
A point source of light illuminates an aperture 4.00m away. A 18.0 cm -wide bright patch of light appears on a screen 2.00m behind the aperture. I have been trying to use the equation w=(2*wavelength*distance)/aperature width. However, I am not given wavelength and the type of...
February 21, 2011 by Jessica

Waves and Optics
A string stretched between two supports sets up standing waves with two nodes between the ends when driven at a frequency of 230Hz.What order is such a wave?
March 1, 2016 by Felicity

Optics
A converging beam of light passes through a diverging lens of focal length 20cm and comes to focus at a distance 30cm behind the lens.Find the position at which beam would converge in the absence of lens?
March 11, 2015 by Sree

Geo. & Wave Optics
An astronomical telescope consists an objective of focal lenght 100cm and an eyepiece of focal lenght 8cm. calculate the angular magnification of the telescope and also determine the distance between the two lenses.
July 23, 2009 by Matrix School 2

Geometric & Wave Optics
An astronomical telescope consists an objective of focal lenght 100cm and an eyepiece of focal lenght 8cm. calculate the angular magnification of the telescope and also determine the distance between the two lenses.
July 24, 2009 by Matrix School 1

Science - Optics
A lens has a magnification of +2.0 and if the focal length is +10 find the impage position and the object position. The type of lens is a diverging lens, but how do i find the di and the do if nothing else is given?
February 28, 2010 by Yasmin

theoretical optics
A man 1.5meter tall stands in front of a concave mirror whose radius is 30cm. Find the position of the man that will lead to his image on the screen 20 cm. from the mirror. How big is the man's image?
March 19, 2012 by Barbie

OPTICS
PLEASE HELP! A POINT SOURCE OF LIGHT IS PLACED 50 CM ABOVE A CIRCULAR CARD OF DIAMETER 5CM, THE SOURCE BEING DIRECTLY ABOVE THE CENTRE OF THE CARD. WHAT IS THE AREA OF THE SHADOW ON THE FLOOR 70 CM BELOW THE CARD?
August 27, 2012 by SABRINA

Physics (optics)
A ray of light traveling in air strikes the midpoint of one face of an equiangular glass prism (n = 1.74) at an angle of exactly 30.0â—¦ Trace the path of the light ray through the glass and find the angle of incidence of the ray at the bottom of the prism. Answer in units...
May 12, 2015 by Dave

physics
The ball is in the pool (point A) to the edge of which is an observer (point B). A minimum distance ball from the edge of the pool is 36 m (point C), and an observer to that point has to walk along the edge of 42 m. a) If the speed of walking along the edge of the pool of 1.5 ...
October 13, 2015 by ruza

Geometric & Wave Optics
when an object is placed 10cm away from a lens; it is found that the formed is 6cm behind the object on the same side of the lens. Determine the focal lenght of the lens. solution 1/v + 1/u = 1/f u=10cm, v=6cm, f=? 6+10/60 = 1/f 70/60 = 1/f by cross multiply we have 70 x f = ...
July 22, 2009 by Matrix School 2

Mechanics, Waves and Optics
A crate with a total mass of 18.0 kg is pulled by a person along the floor at a constant speed by a rope. The rope is inclined at 20 degree above the horizontal, and the crate moves 20.0 m on a horizontal surface. The coefficient of kinetic friction between the floor and the ...
August 7, 2013 by Anonymous

Geometric & Wave Optics Correction
when an object is placed 10cm away from a lens; it is found that the formed is 6cm behind the object on the same side of the lens. Determine the focal lenght of the lens. solution 1/v + 1/u = 1/f u=10cm, v=6cm, f=? 6+10/60 = 1/f 70/60 = 1/f by cross multiply we have 70 x f = ...
July 22, 2009 by Matrix School 2

Optics (pls help)
To save expenses, you would like to buy the shortest mirror that will allow you see your entire body, should the mirror be A) Half your height B) Two-thirds your height or C)equal to your height ? Does the answer depends on how far away from the mirror you stand? Please I need...
August 15, 2016 by Ben

Geometric & Wave Optics
A beam of light wavelenght 560 to availing in air is incident on a surface of a transparent material. The incident beam makes an angle of 65degree with the normal and the refracted beam makes an angle of 45degree with the normal. calculate the refractive index of the material.
July 21, 2009 by Matrix School 2

Science (optics)
Please help me!!!! A swimmer looks up from underwater in a pool and sees a tree. The light traveling in the air makes an ancle of 40 degrees, with the surface of the water. Calculate the anglethe light ray makes with the surface of the water ( n= 1.33) while traveling in the ...
January 21, 2010 by Dawn

science optics
A cosmetic mirror is 50cm from your face and the magnified image of your face is upright. You are told that the focal length of the mirror is 45cm. Explain why this focal length is not possible. I understand that the image would be magnified and upright...that's about it
March 28, 2010 by lily

optics
A thin, double-convex lens has a refractive index of 1.50. The radius of curvature of the front surface is 15 cm and that of the rear surface is 10 cm. See sketch. (a) How far from the lens would an image of the sun be formed? (b) How far from the lens would an image of a toy ...
May 29, 2013 by Ray

SCIENCE: GR.10 OPTICS CONVEX MIRRORS
A convex security mirror has a focal length of -0.25m. A person with a height of 1.5m is 4m from the mirror. calculate the image distance and image height. AND An object 0.4m tall is placed 2.5m in front of a convex mirror that has a focal length of -90cm. Calculate image ...
March 28, 2010 by lily

waves and optics
Cherenkov radiation is light emitted by a particle moving through a medium with a speed greater than the speed of light in the medium. (Note: The speed of the particle is not greater than the speed of light in a vacuum.) Consider a beam of electrons passing through water with ...
May 27, 2012 by jennifer

Physics - Optics
A photographic slide is to the left of a lens. The lens projects an image of the slide onto a wall which is a distance of 5.94 m to the right of the slide. The image is larger than the size of the slide by a factor of 82.0. How far is the slide from the lens? Is the image ...
July 17, 2007 by Tifani

quantum optics
You are doing a Ramsey experiment as described in the lecture: You prepare a beam of atoms in a state |1⟩, you do a π/2 pulse with a Rabi frequency of Ω0=(2π)⋅500 Hz and a detuning of δ=(2π)⋅3 Hz to the |1⟩→|2⟩ ...
January 1, 2016 by Abd

Calculus
Foggy optics, inc. makes laboratory microscopes. setting up each production run costs \$2500. Insurance costs, based on the average number of microscopes in the warehouse, amount to \$20 per microscope per year. storage costs, based on the maximum number of microscopes in the ...
February 23, 2012 by math

physics
what is physics?i know that its subject but what is defination of physics? The study of matter, energy, space, and time, and the interactions thereof.
July 7, 2007 by komal

physics/medical physics
please assist me to get project topic under biophysics or application of physics in medecine
August 12, 2009 by mataos

Physics
Research on the physics of living systems.Give two examples to show how physics
July 15, 2016 by Karan

my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck
October 5, 2008 by JESSICA!!!!!!!!!!!!!!!!!

Physics
Could someone help me to say this better? I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear physics, which considers atomic nuclei alone
November 10, 2007 by Amanda

Physics;Help!!!!!!
There is apparently no one online who can help with physics questions right now. Please check back later to see if a physics teacher has addressed your question. Multiple posts won't get faster answers. Thanks. =) The question is in the first question marked physics beside ...
June 7, 2007 by Writeacher

physics
thanks for the help earlier just got a question I'm taking AP Physics B this year does that mean next year I would Take AP Physics C??? I don't know if the material in C convers the same material plus the additional calculus material or what??? Could I take AP Calculus while ...
August 9, 2009 by physics

how come no one is helping on physics questions!!!
every physics helpers are not getting any responses. can someone help on physics questions pleases???
October 28, 2010 by Lyn

physics
just wondering if anybody have any suggestions for a physics project (anything that deals with physics)??? thanks Research the Klien-Fogleman wing and its advantages over conventional wing shapes.
November 27, 2006 by mitch

college physics
This site is just a front for liveperson Most college physics questions are not answered for months if ever. Out of "200 experts" you must have somebody who knows physics right? Guess not.
September 30, 2009 by john

Sta 112
This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...
January 23, 2016 by Anonymous

Physics and movies
we are supposed to relate physics to movies, and state mistakes or errors found in the movies based on physics principles. I am trying to do Willy Wonka the 1971 version...I need help trying to prove that Violets becoming a blueberry is impossible and an error due to physics, ...
December 8, 2007 by Please McHelp me!

URGENT Needs Physics Help
Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories online that say they...
December 16, 2007 by Desperate

Urgent Needs Physics Help
Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories online that say they...
December 16, 2007 by Desperate--REPOST

Physics
Research on the physics of living systems. Give two examples to show how physics helps to understand the concepts of evolution, biological systems of living organisms.

Physics
Research on the physics of living systems.Give two examples to show how physics helps to understand the concepts of evolution, biological systems of living organisms.
July 15, 2016 by Karan

physics
research on the physics of living systems.give to examples to show how physics help to understand the concepts of evolution,biological systems of living organisms.
July 7, 2016 by tarun

Physics Find mass and radius of planet.
While visiting Planet Physics, you toss a rock straight up at 15 m/s and catch it 2.4 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 240 min. What is the mass of Planet Physics? What is the radius of Planet Physics?
April 5, 2010 by Mike

Physics
I posted this earlier and no one responded so I am going to try again. I have to Distinguish between atomic physics and nuclear physics, so here is what i have. which deals with the atom as a system of electron(s) and a nucleus and nuclear phys
November 13, 2007 by Amanda

physics
A physics student drops a physics text book into a mine shaft 250m deep,where the average mine temperature is 5degrees celsius.Show that the sound of the book striking the bottom is heard after 7.82seconds
April 21, 2012 by musuma

AP physics
do you guys have an someone that good with advanced physics, because i have a few problems that i am not sure how to do and its for my AP physics class, and I wasn't sure if you had someone on board now that could help thanks
January 27, 2008 by Kristen

Physics
Ok so I am not so bad at physics but I find it hard to understand formular like how to use this one mu *m*g= I know its somewhat related to friction but what is the mu stand for and g too IF someone could plzz translate these symbols to words I would really appreciat it Sorry ...
October 17, 2010 by Pablo

Physics - The Branches of Physics
Give at least one example of an application of each branch: Motion -cellphone Properties of Materials Sound -Radios Light -Candle Electricity -Calculator Magnetism -VCR's Properties of atoms -Computers Nuclear physics -? Could you check to see if Ive done this right? And I ...
September 9, 2011 by Anonymous

physics
1.Distinguish between atomic physics and nuclear physics? 2.Briefly describe the Bohr model of the atom. What is Bohr’s key idea (involving matter waves) that makes the Bohr atom have discrete energy levels? I really didn't understand what they were wanting, so many of ...
November 6, 2007 by Will

Physics
So... The task is to evaluate the design of three types of car tires, and explain how each type differs to maximize performance. Physics terminology is to be included in our report. -------- I just need a starting point. What types of tires do you recommend I research and what...
February 16, 2008 by Lucy

physics
i need a topic for an eei (extended experimental investigation). i want a simple experiment that i can do. however, i need one that has a lot of physics behind it, and has a lot of information on the net about it. it can be on any topic within physics. if anyone has any great ...
May 19, 2007 by shamstar

Physics (Final Review)
Ok so tomorrow is my Physics final and I have so much depending on this one test ( all my other grades are 80 and above but this one is a low 70). I have studied for the final but if anyone could supply me with a list of most know formulas for physics I would really appreciate...
December 13, 2010 by Pablo

physics
Stuck in the middle of a frozen pond with only your physics book, you decide to put physics in action and throw the 6-kg book. If your mass is 54 kg and you throw the book at 14 m/s, how fast do you then slide across the ice? (Assume the absence of friction. Let the direction ...
February 22, 2011 by Anonymous

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