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What are the amplitudes called for blue visible light, and microwaves?
May 11, 2008
Replies
3
Views
3K
The Color of a Mirror: A Physics Discussion
May 9, 2008
Replies
8
Views
3K
Increasing the divergence of a laser.
May 7, 2008
Replies
1
Views
3K
Finding the Index of Refraction from Pressure & Temp
May 3, 2008
Replies
7
Views
3K
Why can’t longitudinal waves be polarized?
May 2, 2008
Replies
2
Views
11K
Why do photons travel at the speed of light without having mass?
May 1, 2008
Replies
2
Views
3K
Cellphone rings inside microwave oven
Apr 30, 2008
Replies
2
Views
12K
Energy conservation in wave interference
Apr 30, 2008
Replies
7
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9K
Interaction of modulated lasers
Apr 28, 2008
Replies
1
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2K
Atmospheric Scattering Problem
Apr 28, 2008
Replies
1
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2K
Confused about Polarity of Induced EMF (Lenz Law)
Apr 27, 2008
Replies
6
Views
15K
Optical pyrometers - advantages and disadvantages?
Apr 24, 2008
Replies
2
Views
10K
How Do Light Rays and Mirror Equations Affect Image Formation?
Apr 24, 2008
Replies
3
Views
8K
Does light speed apply to all waves traveling in vacuum?
Apr 24, 2008
Replies
13
Views
8K
Snell's Law: Origins and Applications
Apr 23, 2008
Replies
1
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3K
What lens shape gives perfect focus?
Apr 23, 2008
Replies
9
Views
8K
Can Light Move Faster Than the Speed of Light on a Huge Circular Screen?
Apr 23, 2008
Replies
10
Views
3K
What Would a Universe Without Light Look Like?
Apr 21, 2008
Replies
17
Views
10K
What does a light bulb in vacuum look like?
Apr 21, 2008
Replies
11
Views
4K
Convex Lens and Light Refraction
Apr 20, 2008
Replies
4
Views
3K
Can Light's Acceleration Be Changed?
Apr 20, 2008
Replies
11
Views
3K
What causes a boomerang to flatten out in flight
Apr 20, 2008
Replies
1
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2K
Is it possible to build a toy boat powered by high-power LEDs?
Apr 19, 2008
Replies
2
Views
3K
Why does a (laser) light beam not disperse?
Apr 19, 2008
Replies
6
Views
12K
Optics & Projection: Questions on Triplet Lens & LCD Panel
Apr 17, 2008
Replies
6
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4K
Light transmission through glass.
Apr 17, 2008
Replies
5
Views
18K
How far the light can be shine?
Apr 16, 2008
Replies
13
Views
6K
[thin films] (Macleod's) phase-shift upon reflection
Apr 14, 2008
Replies
1
Views
4K
Collimating beam with optical axis
Apr 14, 2008
Replies
2
Views
4K
Good resource for understanding light waves?
Apr 14, 2008
Replies
8
Views
3K
Does the Photon Mass of the Universe Add Up?
Apr 13, 2008
Replies
6
Views
3K
Do Photons Decay? Cosmic Event Horizons Explained
Apr 13, 2008
Replies
5
Views
3K
What is the speed of light measured relative to?
Apr 13, 2008
Replies
14
Views
3K
Dandelion turned white in elevator light
Apr 13, 2008
Replies
3
Views
3K
Superposition, interference and mathematical description
Apr 11, 2008
Replies
5
Views
3K
Photon momentum and lasers transfering energy
Apr 11, 2008
Replies
19
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5K
If something moved at the speed of light
Apr 10, 2008
Replies
4
Views
3K
An assumption about the speed of light I .
Apr 10, 2008
Replies
8
Views
3K
Total internal reflection (T.I.R.)
Apr 9, 2008
Replies
4
Views
4K
Can something exceed the speed of light?
Apr 9, 2008
Replies
4
Views
4K
Reflection Diffraction Gratings
Apr 8, 2008
Replies
1
Views
3K
Help evaluate the ball lightning energy
Apr 8, 2008
Replies
1
Views
2K
CO2 laser and sigarette smoke question
Apr 7, 2008
Replies
5
Views
2K
Does Opaque Material Block Laser Radiation?
Apr 7, 2008
Replies
6
Views
3K
How Does Temperature Gradient Affect Refractive Index in Fluid Thermodynamics?
Apr 7, 2008
Replies
7
Views
4K
Formula for Paper Airplane Flight?
Apr 2, 2008
Replies
4
Views
10K
Manipulating Light Wavelengths: Can Light Be Shortened?
Apr 1, 2008
Replies
13
Views
8K
Pentration of light in cladding from a waveguide
Mar 30, 2008
Replies
15
Views
3K
Why does light intensity decrease when light passes through a glass block?
Mar 30, 2008
Replies
7
Views
22K
Vector of magnitude m making angles alpha, beta and gamma with i,j,k
Mar 30, 2008
Replies
13
Views
21K
So I was thinking about Light, right ?
Mar 29, 2008
Replies
8
Views
2K
Reflection of light - the physics of a mirror
Mar 29, 2008
Replies
3
Views
3K
Laser through optic fiber - out before through
Mar 28, 2008
Replies
7
Views
4K
Comparing Radio and Light Waves: Is EM Radiation Misleading?
Mar 27, 2008
Replies
18
Views
20K
Does light have the ability to choose its path using Fermat's principle?
Mar 25, 2008
Replies
2
Views
4K
Intensities and magnitudes in natural science
Mar 21, 2008
Replies
1
Views
2K
What happens when two light beams collide ?
Mar 21, 2008
Replies
15
Views
27K
Snell's law with a complex refractive index
Mar 20, 2008
Replies
5
Views
14K
Solving the Flight of a Pencil Problem
Mar 19, 2008
Replies
15
Views
5K
What Would You See in a Mirrored Sphere?
Mar 19, 2008
Replies
17
Views
7K
Gravity field phenomenon is the curved light ray ?
Mar 19, 2008
Replies
4
Views
3K
What Causes the Strange Laser Effects from Interference and Reflection?
Mar 18, 2008
Replies
5
Views
3K
Add Light? Possible with Lasers?
Mar 18, 2008
Replies
12
Views
5K
Light Diffraction: Explaining Airy Equation
Mar 18, 2008
Replies
4
Views
3K
Photon Absorption: Does Energy Matter?
Mar 16, 2008
Replies
2
Views
3K
What Causes the Phase Change of Pi During Reflection at the Atomic Level?
Mar 15, 2008
Replies
3
Views
4K
Why doesn't light go faster than it does?
Mar 15, 2008
Replies
5
Views
3K
Is there such a thing as in-phase and coherent white light?
Mar 14, 2008
Replies
5
Views
8K
Projecting Video Onto Two-Way Mirror
Mar 14, 2008
Replies
1
Views
10K
Why don't light waves interfere when traveling in opposite directions?
Mar 13, 2008
Replies
9
Views
3K
Can Beat Frequencies Affect Light?
Mar 11, 2008
Replies
3
Views
2K
Do all light frequencies travel together at the same speed?
Mar 11, 2008
Replies
6
Views
3K
Limit below which we cannot detect light?
Mar 8, 2008
Replies
12
Views
4K
Solve Plano-Convex Lens Lensmaker's Equation
Mar 7, 2008
Replies
3
Views
14K
Laser Plasma: Basics & Theory Explained
Mar 6, 2008
Replies
2
Views
4K
Why Do Random Flickering Laser Patterns Appear When Viewed from an Angle?
Mar 4, 2008
Replies
2
Views
2K
How do i measure light frequency?
Mar 3, 2008
Replies
14
Views
14K
Duration of wave packet (photon) vs coherent time
Mar 3, 2008
Replies
4
Views
6K
Exploring Light Transmission with Lasers & Optical Fibers
Mar 2, 2008
Replies
5
Views
4K
Can Flour Affect the Measurement of Light's Speed?
Mar 2, 2008
Replies
2
Views
2K
Why some materials reflect light more than others?
Mar 2, 2008
Replies
1
Views
12K
Scattering in water or atmosphere
Feb 29, 2008
Replies
1
Views
2K
Coherent time vs duration time of the wave packet (photon)
Feb 29, 2008
Replies
1
Views
6K
Superposition of position functions
Feb 28, 2008
Replies
2
Views
2K
Light & Dark: What Happens When Light Comes In?
Feb 28, 2008
Replies
6
Views
4K
How does interference and medium affect the use of drums?
Feb 25, 2008
Replies
1
Views
2K
Visibility of laser light in mist of water particles
Feb 25, 2008
Replies
1
Views
3K
Why silver atoms reflect light?
Feb 25, 2008
Replies
8
Views
13K
The length of laser's optical cavity. Multiple of wavelength?
Feb 24, 2008
Replies
4
Views
7K
Rainbow: Viewing Rainbows from a Lowflying Plane
Feb 24, 2008
Replies
7
Views
3K
What happens to Snell's Law when considering the atomic properties of materials?
Feb 23, 2008
Replies
2
Views
5K
What Happens When Interfering Polarized Light Waves in X and Y Directions?
Feb 23, 2008
Replies
7
Views
7K
Reverse Diffraction Research: Latest Findings
Feb 23, 2008
Replies
3
Views
4K
Build a Radio Wave Generator: How-To Guide
Feb 22, 2008
Replies
2
Views
15K
What's the shape of a microwave beam?
Feb 20, 2008
Replies
4
Views
4K
A question about meaning of polarisation of light
Feb 20, 2008
Replies
6
Views
4K
Scattering and wavelength dependence
Feb 20, 2008
Replies
2
Views
3K
Question about Herschel experiment which discover Infra red light
Feb 19, 2008
Replies
3
Views
5K
What are the heaviest and lightest particles?
Feb 19, 2008
Replies
26
Views
24K
Group velocity and reflective index relationship
Feb 18, 2008
Replies
2
Views
3K
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