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Understanding the Speed of Light in a Medium: Does it Really Slow Down?
Sep 25, 2009
Replies
9
Views
4K
Which part of the light wave do we take? (quick question)
Sep 25, 2009
Replies
5
Views
5K
Proof that the speed of light is constant?
Sep 23, 2009
Replies
23
Views
21K
Speed of light in a moving medium
Sep 23, 2009
Replies
1
Views
5K
Physics Faq clarifiaction - light duality
Sep 22, 2009
Replies
2
Views
2K
Questions about lights contradicting properties
Sep 21, 2009
Replies
3
Views
2K
Absorbtion and Reflection of Objects, question
Sep 20, 2009
Replies
2
Views
3K
How To Propogate Uncertainties (Angle of Incidence and Angle of Reflection)
Sep 20, 2009
Replies
4
Views
16K
Can the magnitude of vector be negative?
Sep 19, 2009
Replies
4
Views
77K
Absorbance of UV light by glass
Sep 19, 2009
Replies
2
Views
18K
How to change the polarization of the light
Sep 17, 2009
Replies
2
Views
7K
Compton vs. Raman vs. Thomson Scattering
Sep 17, 2009
Replies
3
Views
17K
Dispersion/Refraction, but WHY?
Sep 17, 2009
Replies
13
Views
3K
Do photons really have a gravitational field like matter?
Sep 17, 2009
Replies
1
Views
2K
When Feynman describes scatterers
Sep 16, 2009
Replies
4
Views
2K
Light speed Impossible Faster than lightProbable?
Sep 16, 2009
Replies
5
Views
8K
Modeling the flight of a frisbee
Sep 14, 2009
Replies
4
Views
5K
Measuring the intensity of light
Sep 14, 2009
Replies
4
Views
4K
Why can't light go thru solids?
Sep 13, 2009
Replies
5
Views
3K
Earth's Surface Area that reflects light
Sep 11, 2009
Replies
6
Views
4K
Questions about lasers and diffraction
Sep 10, 2009
Replies
2
Views
4K
Light absorption in solar cell.
Sep 10, 2009
Replies
1
Views
3K
Light rays in concave lens,moon and eclipses?
Sep 10, 2009
Replies
7
Views
5K
Reflection and Total Internal Reflection
Sep 9, 2009
Replies
1
Views
5K
Do Red Lasers of 314mW Pose a Safety Risk?
Sep 9, 2009
Replies
5
Views
2K
Wavelength -> antenna, waveguides, mirrors ets
Sep 8, 2009
Replies
3
Views
3K
Light Reflection Mystery at the Rijksmuseum Amsterdam
Sep 8, 2009
Replies
4
Views
2K
Can you relate sound frequency's to light frequency's?
Sep 8, 2009
Replies
6
Views
9K
Light, and from whence it cometh.
Sep 7, 2009
Replies
8
Views
2K
Does Refraction through a Glass Slab Cause Different Levels of Image Distortion?
Sep 6, 2009
Replies
7
Views
12K
Light changes frequency depending on
Sep 5, 2009
Replies
4
Views
3K
Comparing Magnetic Attraction: Iron vs. Opposite Polarity
Aug 31, 2009
Replies
12
Views
5K
Confusion with faster than light
Aug 30, 2009
Replies
28
Views
5K
Thin, light, cheap and strong as wood material?
Aug 30, 2009
Replies
8
Views
73K
Non Quantized Light: Could It Produce Energy Below Photon?
Aug 30, 2009
Replies
4
Views
2K
Efficient Laser Beam Expansion Techniques for Optimal Illumination
Aug 28, 2009
Replies
8
Views
8K
Why placing a blue filter in front of a light source will give blue li
Aug 26, 2009
Replies
1
Views
2K
How Does Light Behave When It Passes Through Different Mediums?
Aug 26, 2009
Replies
42
Views
19K
Fading Ink on Book Covers: Sunlight Cause?
Aug 26, 2009
Replies
2
Views
6K
Polarization of Light at Boundary: Exploring the Brewster Angle and Absorption
Aug 22, 2009
Replies
11
Views
4K
Can a 10 Watt Globe be Powered by 24V?
Aug 21, 2009
Replies
9
Views
2K
Hyugens principle and laser wave dispersion
Aug 21, 2009
Replies
27
Views
11K
How much mass does it take before photons will have a stable orbit?
Aug 21, 2009
Replies
5
Views
2K
Help with my large mirror and camera.
Aug 20, 2009
Replies
2
Views
3K
Spectrum of Hot & Cold Fire: How Can It Be?
Aug 19, 2009
Replies
1
Views
2K
Sun Setting Illusion: Explaining Constant Angular Speed
Aug 19, 2009
Replies
5
Views
3K
Lightwave Oven: Why We Heat Food With Microwave
Aug 19, 2009
Replies
4
Views
4K
Light/radio waves radiate in all direction
Aug 19, 2009
Replies
5
Views
3K
Concentration of photons in a beam of light
Aug 18, 2009
Replies
11
Views
11K
Why do some objects reflect more light than others?
Aug 16, 2009
Replies
4
Views
10K
How to understand the image of lens at infinity
Aug 16, 2009
Replies
8
Views
26K
Creating a Computer Flight Model: Best Starting Place for Aerodynamic Theory
Aug 15, 2009
Replies
6
Views
4K
Principle of lightining conductor
Aug 15, 2009
Replies
1
Views
2K
Why does mass not affect gas pressure in ideal gas law?
Aug 15, 2009
Replies
3
Views
10K
Light OR Sound? - Unraveling the Mystery
Aug 15, 2009
Replies
3
Views
2K
What is the cause of my peculiar vision abnormality?
Aug 13, 2009
Replies
8
Views
2K
Why does the wave of color that has a greater index of refraction bend more?
Aug 12, 2009
Replies
3
Views
8K
Help with thin lenses and uncertanty
Aug 12, 2009
Replies
5
Views
4K
What Do Telescope Specifications Like 6x16 and 175/1000m Mean?
Aug 12, 2009
Replies
2
Views
2K
Lightning Rod attached to railing of my balcony
Aug 11, 2009
Replies
8
Views
7K
Why does wavelength affect an object's interaction with waves?
Aug 10, 2009
Replies
5
Views
3K
Unanswered Questions on Light: Control & Visibility
Aug 4, 2009
Replies
3
Views
2K
Strong laser pointers - facts?
Aug 4, 2009
Replies
12
Views
5K
Atmospheric Opacity and laser Attenuation query
Aug 2, 2009
Replies
6
Views
4K
How much energy can a black metal surface absorb from direct sunlight?
Jul 31, 2009
Replies
9
Views
5K
Does Coherent Light Waves Frequency Matter?
Jul 31, 2009
Replies
2
Views
3K
Gravity Accelerating Objects To The Speed Of Light
Jul 31, 2009
Replies
12
Views
3K
Light is known to have a wave-particle duality
Jul 30, 2009
Replies
9
Views
2K
Coherent Light Waves: Interference & Diffraction Explained
Jul 30, 2009
Replies
3
Views
4K
The propagation of light through a vacuum.
Jul 30, 2009
Replies
9
Views
4K
Understanding the Formula for Dark Fringe in Single-Slit Diffraction
Jul 30, 2009
Replies
2
Views
3K
How do photons behave when entering a prism?
Jul 29, 2009
Replies
2
Views
2K
Laser in Outer Space: Will It Go On Forever?
Jul 29, 2009
Replies
3
Views
3K
What is the feasibility of using laser pointers to paint the moon?
Jul 29, 2009
Replies
3
Views
7K
Observations takne at the speed of light
Jul 29, 2009
Replies
8
Views
2K
Can a Laser Light Be Magnified with a Magnifying Glass?
Jul 28, 2009
Replies
14
Views
4K
Explaining a Bath Time Reflection Puzzle
Jul 28, 2009
Replies
1
Views
1K
Is There a Real Difference Between Diffraction and Interference in Physics?
Jul 28, 2009
Replies
2
Views
3K
Poincare sphere and Degree of polarization
Jul 28, 2009
Replies
2
Views
6K
Hanging a mirror with two off-center nails
Jul 26, 2009
Replies
22
Views
23K
Traveling .999999 reapeating the speed of light .
Jul 26, 2009
Replies
15
Views
3K
Understanding Light Polarization: Clearing Up Confusion for Better Comprehension
Jul 24, 2009
Replies
5
Views
3K
How Can You Align a Thin Electrode Parallel to a Surface Without Direct Contact?
Jul 23, 2009
Replies
1
Views
2K
Optical Question: HeNe Beam Through Potassium Permanganate
Jul 23, 2009
Replies
2
Views
2K
Humans Traveling at Light Speed: A Possibility?
Jul 23, 2009
Replies
2
Views
1K
Does a photon experience time or space?
Jul 23, 2009
Replies
27
Views
8K
Single Slit Interference: Explaining the Phenomenon
Jul 22, 2009
Replies
4
Views
3K
Is the group velocity necessarily slower than light (STL)?
Jul 20, 2009
Replies
6
Views
3K
Does Light Amplitude Depend on Frequency?
Jul 20, 2009
Replies
1
Views
2K
Setting a vector to another magnitude
Jul 19, 2009
Replies
2
Views
7K
Does shiny aluminum foil reflect infrared photons?
Jul 18, 2009
Replies
3
Views
3K
Optical phenomena with colliding river rocks
Jul 18, 2009
Replies
3
Views
2K
Introduction to Optics: Books for Grad Students
Jul 16, 2009
Replies
2
Views
2K
Attractive and repulsive light force
Jul 16, 2009
Replies
3
Views
3K
Why does time appear to stop when traveling at the speed of light?
Jul 15, 2009
Replies
2
Views
1K
Diffraction of incoherent beam
Jul 15, 2009
Replies
6
Views
13K
Calculate angle of reflection.
Jul 14, 2009
Replies
3
Views
8K
Why can wireless internet signals pass through walls when visible light cannot?
Jul 14, 2009
Replies
5
Views
21K
Transparency and refractive index
Jul 12, 2009
Replies
1
Views
7K
How can I calculate torque and RPM for a P-51 Mustang in a Blender3d simulation?
Jul 11, 2009
Replies
2
Views
3K
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