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April 20, 2014

Search: optics

Number of results: 147

laser optics
The laws of laser optics are the same as they are for "regular" optics, but there is a special emphasis on advanced topics that only become important with lasers, such as: (1) coherent optical phenomena, such as "speckle" (2) nonlinear optics (frequency doubling and shifting, ...
Saturday, May 31, 2008 at 8:15am by drwls

optics ray tracing
Drawing straight lines that only change direction at mirror and lens surfaces makes solving optics with ray-tracing a lot easier.
Sunday, March 21, 2010 at 1:26am by drwls

Optics - sorry, not I
sorry, optics is not my thing at all :(
Wednesday, April 16, 2014 at 5:06pm by Damon

laser optics
what is laser optics, how laser optics work?
Saturday, May 31, 2008 at 8:15am by serdar

High School Science
Here is a site with a simulator. You can try it yourself. http://interactagram.com/physics/optics/refraction/
Saturday, March 20, 2010 at 6:52pm by DrBob222

science (optics)
That is a subject in physiological optics or "ocular physiology", in which I am not an expert. A common example is the eyes' getting adapted to the dark (and more sensitive) after being in darkness for about a half hour. See http://en.wikipedia.org/wiki/Adaptation_(eye) for an...
Monday, October 10, 2011 at 7:23pm by drwls

science
http://en.wikipedia.org/wiki/Prism_(optics)
Wednesday, October 28, 2009 at 6:33pm by Ms. Sue

optics ray tracing
Rays of light travel normal to wavefronts. It only takes two rays to determine the location of images, and about ten to evaluate image quality (aberrations). Computers perform these tasks easily, giving lens designers a powerful tool. If one were to design an optics system ...
Sunday, March 21, 2010 at 1:26am by drwls

science
http://en.wikipedia.org/wiki/Lens_(optics)#Types_of_simple_lenses
Wednesday, July 9, 2008 at 9:59pm by DrBob222

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 ...
Sunday, November 18, 2007 at 8:56pm by julie

science (optics)
thanks :)
Monday, October 10, 2011 at 4:22pm by pleasehelpme:)

science (optics)
THANK YOU! :)
Monday, October 10, 2011 at 7:23pm by pleasehelpme:)

physics
What is optics?
Thursday, July 19, 2012 at 10:00am by Saiman

Fiber Optics
What is fiber optics?
Sunday, September 23, 2012 at 1:39pm 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...
Friday, May 13, 2011 at 2:54pm by Theodore

Science - Optics
Isn't M= -di/do ?
Sunday, February 28, 2010 at 9:10pm by bobpursley

OPTICS
Already answered
Monday, August 27, 2012 at 5:24am by drwls

Mechanics, Waves and Optics
Thanks!
Wednesday, August 7, 2013 at 11:42pm by Anonymous

Mechanics, Waves and Optics
Thanks!
Wednesday, August 7, 2013 at 11:42pm by Anonymous

science
what do fiber optics mean
Monday, March 8, 2010 at 6:30pm by quashawn

optics
Snell's Law is the answer
Wednesday, July 7, 2010 at 11:30am by drwls

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
THANK YOU!
Monday, August 27, 2012 at 6:43am by SABRINA

optics
Is the answer +2.50dcx120/+5.75dcx120?
Monday, November 26, 2012 at 12:40pm by please help Elena

optics
Or is it (-6.50dcx30/-3.25dcx120)/2.5ds?
Monday, November 26, 2012 at 12:40pm by please help Elena

physics
what are the different layers of fiber optics
Wednesday, May 28, 2008 at 3:12am by sai

Geometric & Wave Optics
see other.
Wednesday, July 22, 2009 at 3:03pm by bobpursley

Science (optics)
Trust drwls's answer.
Thursday, January 21, 2010 at 7:32pm by Ms. Sue

physics
search google fiber optics
Sunday, October 31, 2010 at 8:25am by bobpursley

optics
What is the purpose of this surgery? How do you define "success?"
Tuesday, October 11, 2011 at 9:09pm by Ms. Sue

Physics
What do u mean by phase in wave optics??
Friday, June 15, 2012 at 1:50pm by Abhi

Science (optics)
Ignore Natosha's incorrect answer
Thursday, January 21, 2010 at 7:32pm by drwls

optics
what is the success rate of laser eye surgery?
Tuesday, October 11, 2011 at 9:09pm by joanne g

Physics
I will be happy to check your optics equation work
Tuesday, March 6, 2012 at 9:10pm by bobpursley

theoretical optics
This was answered in your later repeat post.
Monday, March 19, 2012 at 6:01am by drwls

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
WHAT DOES PI STAND FOR?
Monday, August 27, 2012 at 6:43am by SABRINA

Science (optics)
alright, so does anybody have a right answer? lol
Thursday, January 21, 2010 at 7:32pm by Dawn

science (optics)
explain the process of accommodation in the human eye. thanks :)
Monday, October 10, 2011 at 7:23pm by pleasehelpme:)

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
thank you what would the dimension of shadow be?
Monday, August 27, 2012 at 6:43am by SABRINA

physics
The formula that you need is derived and presented here: http://www.physicstutorials.org/index.php/home/optics/refraction-of-light/apparent-depth-real-depth The object will appear at a shallower depth equal to the real depth divided by the refractive index of water.
Saturday, January 16, 2010 at 9:49am by drwls

optics
An objuect is located 20cm in front of a -3.00 lens where is the image?
Friday, April 2, 2010 at 10:53am by Noelle

Geometric & Wave Optics
Use Snells Law. We will be happy to critique your work.
Tuesday, July 21, 2009 at 3:40pm by bobpursley

mis
what is the function of fiber optics communication cable and enterprise software for the it system in a school?
Sunday, September 25, 2011 at 6:03am by digital city

Gr 11 Physics Optics Unit
Explain why a virtual image must always be upright.
Wednesday, November 25, 2009 at 7:07am 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?
Friday, April 2, 2010 at 10:55am by Noelle

science (optics)
Explain why inverted imgaes are produced by the eye yet we see upright images. Thanks :)
Monday, October 10, 2011 at 4:22pm by pleasehelpme:)

optics
I have transposed the presciption so that cyl is in a plus form -4.00DS/+3.25DCx120, what do I do next? Please help if you can
Monday, November 26, 2012 at 11:44am by please help

Physics
Eyeglass lenses. Movie projectors. Cameras. Binoculars. Fiber optics (total internal reflection).
Thursday, January 5, 2012 at 7:32pm by drwls

physics/optics
Thank you but I have already been on this website and did not find an example of capstan transposition...Are you able to help at all?
Monday, November 26, 2012 at 12:03pm by please help

Physics/ optics
An obj ect is located 25 cm in front of a + 6.pp lens, is the image real or virtual?
Friday, April 2, 2010 at 10:55am by SraJMcGin

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)?
Monday, June 10, 2013 at 3:42pm by reed

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?
Monday, April 22, 2013 at 9:19pm by Blake

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
pi = 3.141592... It is the ratio of the circumference to the radius of a circle. It is usually represented by a Greek letter, but I cannot type it here.
Monday, August 27, 2012 at 6:43am by drwls

science
Classical mechanics Relativity Thermodynamics Electromagnetism/Optics Quantum mechanics
Wednesday, August 29, 2007 at 8:17pm by ~christina~

Geometric & Wave Optics Correction
No. 1/10+1/6=1/f .1+.16666= .26666=1/f f=1/.26666=?
Wednesday, July 22, 2009 at 3:04pm by bobpursley

physics
show that 1/sqrt(Msubscript 0 Esubscript 0)=C...I dont understand how to show this or what this question is asking..its for wave optics
Tuesday, April 29, 2008 at 10:47pm by Jessica

geometry
Is this a geometry or optics question? I do not understand what it means to be "reflected twice over parallel lines" Please clarify
Wednesday, December 22, 2010 at 11:49am by drwls

optics
Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve
Monday, November 26, 2012 at 11:44am by please help

physics
what is the physics principle behind fiber optics??
Friday, November 6, 2009 at 1:30pm by jonas

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
Monday, November 26, 2012 at 12:03pm by please help

physics/optics
I have transposed the prescription so that it has a plus cyl as we are given a plus base curve= -4.00DS/+3.25DCx120 what do i do next?
Monday, November 26, 2012 at 12:03pm by please help

MATH/OPTICS
given di=145, do=38,hi=-97 formula: hi/ho=-di/do how do i rearrange this?? i do not want the answer. need help rearranging equation please help!!
Monday, April 12, 2010 at 12:54am by lily

physics
physics behind fibre optics
Sunday, October 31, 2010 at 8:25am by g

Physics
Because the optics rule is: 1/do + 1/di = 1/f Since do = f, the focal length, 1/di = 0 That can only happen if the image distance di is infinity.
Tuesday, March 27, 2012 at 9:44pm by drwls

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
Monday, March 19, 2012 at 6:01am by Barbie

physics
Since this is not my area of expertise, I searched Google under the key words "convex concave lens" to get these possible sources: http://en.wikipedia.org/wiki/Lens_(optics) http://www.lessonplanspage.com/ScienceConvexConcaveLenses69.htm http://camillasenior.homestead.com/...
Sunday, March 30, 2008 at 3:52pm by PsyDAG

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
Monday, November 26, 2012 at 12:40pm by please help Elena

physics
It depends. If it is an analoge signal, the frequency. But if it is digital, as on a multiplexed wire, or fiber optics, there will be no difference on the transmitted signal along the "wire".
Thursday, October 25, 2007 at 2:43pm by bobpursley

optics ray tracing
light travels in a straight line, why is this important for the technique of ray tracing?
Sunday, March 21, 2010 at 1:26am by Jose

science (optics)
Please subject, not grade level. Use the formula 1/Do + 1/Di = 1/f and solve for the image distance Di. Do = 23 cm f = 9.0 cm
Tuesday, May 4, 2010 at 1:53pm by drwls

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
thank you would what the nature of the shadow be if the point of source of light is replaced by a luminous disc of diameter 5 cm, whose centre lies directly above the centre of the card?
Monday, August 27, 2012 at 6:43am by SABRINA

For DrBob
After testing the five solutions in the volumetic flasks, the next step was to take the iron phenanthroline solution in the volumetric flask when it was ready to be inserted into an Ocean Optics USB2000+ Miniature Fiber Optic Spectrometer.
Sunday, November 18, 2007 at 2:56pm by Suzy

Physics - optics
the index of refraction of ruby is less than the index of refraction of diamond, Why?
Sunday, July 28, 2013 at 10:18am by silent_klr

physics-optics
The index of refraction of Ruby is less than the index of refraction of diamond. Why?
Wednesday, July 31, 2013 at 11:21pm by silent_klr

Geometric & Wave Optics
1. An object,30mm high ,is 90mm from a convex lens. The focal length is 60mm det the positive height an nature of the image. Draw an accurate diagram for the formation of the image. 2.calculate its magnification?
Friday, July 24, 2009 at 12:06pm by Anonymous

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?
Saturday, May 22, 2010 at 4:29pm by Emily

Mechanics, Waves and Optics
And the questions are as follows: a. Draw a free body diagram for the crate (solved) b. What is the tension in the rope? c. How much work is done on the crate by the rope? d. What is the energy lost due to friction?
Wednesday, August 7, 2013 at 11:42pm by Anonymous

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?
Friday, January 17, 2014 at 1:33pm by optics

optics
I think most people hear that phrase and think of vision correction surgery. If I were the patient, I'd define success as near 20/20 vision and no damage done.
Tuesday, October 11, 2011 at 9:09pm by Steve

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
Sabrina, pi is an irrational number approximated by 3.14159 It is the ratio of the circumference of a circle to the diameter. C = pi D the area of the circle is ten A = pi R^2 = pi (D^2)/4
Monday, August 27, 2012 at 6:43am by Damon

theoretical optics
The focal length of the mirror is R/2 = 15 cm. You must by now be familiar with the equation 1/do + 1/di = 1/f which in your case becomes 1/do + 1/20 = 1/15 Solve for do (the object distance). The magnification will be di/do. Multiply that by 1.5 meters for the image size
Monday, March 19, 2012 at 6:09am by drwls

science (optics)
It's just a brain function. Experiments have been made where the subject wears non-inverting lenses, and they see everything upside-down ... for a while. Then, their brain gets what's going on and flips the images right-side up again.
Monday, October 10, 2011 at 4:22pm by Steve

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 ...
Saturday, January 19, 2013 at 9:25pm by udochi

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....
Tuesday, June 18, 2013 at 4:58pm by edward

Science
Don't plan on a career in the field, especially with NASA. Get a more general eduction in engineering (especially electronic) and applied physics (especially optics). You will still be qualified to work in astronomy, but will have more options. I speak from experience.
Thursday, December 8, 2011 at 7:08am by drwls

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).
Monday, April 22, 2013 at 8:01pm by Blake

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.
Thursday, July 23, 2009 at 2:37pm 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.
Friday, July 24, 2009 at 12:06pm by Matrix School 1

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.)
Tuesday, April 23, 2013 at 1:55pm by Blake

science optics
In this case, the image distance, di, is negative and |di| > do for magnification > 1 1/do + 1/di = 1/do -|1/di| = 1/f 1/50 -1/|di| = 1/45 This is not possible. The 1/|di| term must be positive
Sunday, March 28, 2010 at 3:03pm by drwls

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?
Sunday, February 28, 2010 at 9:10pm by Yasmin

MATH/OPTICS
Do you want Ho? multipy both sides by ho*do divide both sides by di
Monday, April 12, 2010 at 12:54am by bobpursley

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)
Monday, July 26, 2010 at 11:10pm by Alinkashia

theoretical optics
A man 1.5 meter tall stands in front of a concave mirror whose radius is 30cm. Find the osition of the man that will lead his image on the screen 20 cm from the mirror. How big is the man's image
Monday, March 19, 2012 at 6:01am by Barbie

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?
Monday, March 19, 2012 at 6:09am by Barbie

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
directly below the card, dark after you get out from that complete shadow, you can look up and see part of the light so you are in partial shadow until you get far enough out to see the entire light.
Monday, August 27, 2012 at 6:43am by Damon

Physics
What you have is a confocal telescope. The focal point of both lenses is a common point between them. For such an optical system, the magnification is the ratio of the focal lengths, or in this case 6. Not very powerful. It is not called "refractive power" in any optics ...
Saturday, March 26, 2011 at 4:53pm by drwls

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?
Monday, August 27, 2012 at 5:24am by SABRINA

OPTICS/PHYSICS-REALLY DO NOT UNDERSTAND THIS!
pe·num·bra/peˈnəmbrə/ Noun: The partially shaded outer region of the shadow cast by an opaque object. The shadow cast by the earth or moon over an area experiencing a partial eclipse.
Monday, August 27, 2012 at 6:43am by Damon

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?
Monday, August 27, 2012 at 6:43am by SABRINA

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.
Monday, November 20, 2006 at 12:50pm by Sam

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