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How light travels, bends, is manipulated, and is perceived by humans and other species
people that were born blind, do you think that they when dreaming see any images like we do wnen dreaming?
by portraitphenomenon on May 7th, 2012
| 2 people like this
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5 answers
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in Optics
What makes the color pink?
by Answerbag Staff on January 8th, 2011
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6 answers
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in Optics
Do you own any Ziess optics??
by 'Chengdu on April 13th, 2012
| 2 people like this
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6 answers
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in Optics
Why is the sky blue&the sun yellow?
by Answerbag Staff on May 18th, 2010
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one answer
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in Optics
Is it possible to melt/shave/chisel a chunk of ice into a lens that could focus sunlight enough to start a fire?
by Ibanezmb on March 14th, 2012
| 1 person likes this
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one answer
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in Optics
What color is lime green?
by Answerbag Staff on May 16th, 2010
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one answer
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in Optics
Here's what I don't understand about 3-D, the human eye registered what it sees in about 1/25th of a second,
by Ed_F5241 on February 8th, 2012
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2 answers
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in Optics
What makes the color pink?
by Answerbag Staff on May 10th, 2010
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one answer
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in Optics
Is there Anyway to Polarize (or Partially Polarize) a Beam of Light by ReFRaction Alone?
by mdGreg on January 24th, 2012
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2 answers
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in Optics
What does 4x20 magnification mean?
by Answerbag Staff on May 30th, 2010
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one answer
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in Optics
does being blind affect the other senses such as hearing smell and taste?
by London_S on November 28th, 2011
| 1 person likes this
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5 answers
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in Optics
What makes the color green?
by Answerbag Staff on May 19th, 2010
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one answer
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in Optics
Would smoke appear in infrared?
by KATTALNUVA on October 18th, 2011
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3 answers
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in Optics
How much of the light spectrum is visible?
by Answerbag Staff on May 6th, 2010
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one answer
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in Optics
In Young's double slit expt. fringe width is given by (D/d)*lamda. Why it's not (D/2d)*lamda?
by Skeleton on August 30th, 2011
| 1 person likes this
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one answer
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in Optics
What is an opaque object?
by Answerbag Staff on April 12th, 2010
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one answer
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in Optics
FREQUENCY 200HZ.OSCILLOSCOPE SET ON 1ms/div.how many complete waves?
by Prince_M2397 on August 12th, 2011
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one answer
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in Optics
Can it be bad for the eyes to use a laptop in the dark? explain why please.
by bradleyt98 on July 25th, 2011
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one answer
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in Optics
Can we perform young's double slit experiment with sound waves?
by Skeleton on July 3rd, 2011
| 1 person likes this
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2 answers
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in Optics
If a converging lens falls and breaks so that only half of it is intact, the effect on the image is: dimmer,size unchanged. why??
by Inddiggo:)) on June 22nd, 2011
| 1 person likes this
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2 answers
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in Optics
Why does moving a pencil up and down cause a rubber-like effect to manifest? I'd like an explanation using optics.
by þαИŦHΣISŦ67 on May 4th, 2011
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no answers
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in Optics
When light strikes a transparent surface, such as glass, it is
_______.
by girona98 on March 16th, 2011
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3 answers
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in Optics
Human eye is a lens. So, is there any magnification? Can we see the real size of a body?
by Skeleton on February 5th, 2011
| 1 person likes this
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3 answers
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in Optics
I need to buy a pair of cheap lenses about 2.5 inches in diameter.
I need a selection of focal lengths and diameters, and cheapo...thanx
by wannabegeekTC on January 30th, 2011
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no answers
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in Optics
What makes the color pink?
by Answerbag Staff on January 8th, 2011
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6 answers
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in Optics
Why any colour reflect the same colour and absorb other colours?
by Skeleton on January 1st, 2011
| 1 person likes this
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2 answers
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in Optics
Why spherical aberration is not happen in the case of a concave mirror of small aperture?
by Skeleton on December 25th, 2010
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5 answers
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in Optics
Tophat beam converges at 45 deg with its central axis, with 1.59E16 photons/s. Determine pho/s for center portion of beam that forms 5 deg.
by htsnyder on November 5th, 2010
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no answers
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in Optics
Regarding laser tweezers, how is the total force calculated in relation to the angle of the two symmetric incident rays on the particle?
by htsnyder on October 24th, 2010
| 1 person likes this
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one answer
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in Optics
when light passes through sodium gas at -272 degrees celcius, it slowa to 16.7m/sec. what is the index of refraction @ this tempersture??
by kenieshalol on October 12th, 2010
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no answers
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in Optics
Light is an em wave. Then why it is not affected by electric or magnetic field?
by Skeleton on October 9th, 2010
| 1 person likes this
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one answer
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in Optics
Light is an em wave. Then why light is not affected by eletric or magnetic field?
by Skeleton on October 9th, 2010
| 3 people like this
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5 answers
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in Optics
What is the closest object this lens can photograph sharply?
by TiGeR fAn on October 3rd, 2010
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no answers
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in Optics
What does 4x20 magnification mean?
by Answerbag Staff on May 30th, 2010
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one answer
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in Optics
What makes the color green?
by Answerbag Staff on May 19th, 2010
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one answer
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in Optics
Why is the sky blue&the sun yellow?
by Answerbag Staff on May 18th, 2010
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one answer
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in Optics
What color is lime green?
by Answerbag Staff on May 16th, 2010
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one answer
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in Optics
How much of the light spectrum is visible?
by Answerbag Staff on May 6th, 2010
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one answer
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in Optics
what is the use of lens?
by aminullah on April 18th, 2010
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one answer
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in Optics
What is an opaque object?
by Answerbag Staff on April 12th, 2010
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one answer
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in Optics
wavelength is 630nm incident on a thin film, refraction index, 1.5.transmitted by 10 bright and 9 dark fringes.how much thickness change?
by dayah2202 on March 26th, 2010
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no answers
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in Optics
If you run away from a plane mirror at 2.40m/s , at what speed does your image move away from you?
by Anonymous on November 29th, 2009
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3 answers
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in Optics
Write any two properties of the image of the mirror that is used in the house.
by Suriya on November 29th, 2009
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2 answers
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in Optics
Why does your reflection in a mirror switch left and right but not up and down?
by analemma on November 17th, 2009
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3 answers
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in Optics
How does white light seperate in a prism? (obviously by refraction) - but the actual mechanism which causes the frequencies to seperate. The angle of refraction is dependent on the refractive index and relative permittivity which are material properties..
by Jahono on November 13th, 2009
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6 answers
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in Optics
What does the wave structure/shape of white light look like from all the frequencies/wavelengths as a result of interference (another wavelength, a flat line?)
by Jahono on November 13th, 2009
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one answer
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in Optics
What happens when the entire Young's Double Slit Experiment is imagined to be placed in water?
by aarsia on November 13th, 2009
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3 answers
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in Optics
Why is it that when a car's wheels are moving fast enough, it appears as though they're moving backward?
by breckords on November 4th, 2009
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one answer
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in Optics
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