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Undergrad Two slit interference and diffraction

Mar 3, 2005 · Replies 3 · Mar 6, 2005

Replies: 3

Views: 2K

Graduate A question about wave interference.

Mar 5, 2005 · Replies 1 · Mar 6, 2005

Replies: 1

Views: 2K

High School Real vs Virtual Images: What is the Difference?

Mar 5, 2005 · Replies 3 · Mar 6, 2005

Replies: 3

Views: 35K

Undergrad What Makes LASER Light Monochromatic?

Mar 4, 2005 · Replies 3 · Mar 4, 2005

Replies: 3

Views: 3K

Graduate What Determines the Focal Length of an Einzel Lens in TOF Mass Spectrometry?

Mar 2, 2005 · Replies 1 · Mar 2, 2005

Replies: 1

Views: 13K

High School UV Light Wavelengths Reaching Earth's Surface

Mar 2, 2005 · Replies 3 · Mar 2, 2005

Replies: 3

Views: 3K

Undergrad Permeability of Light: Dependence Factors

Feb 28, 2005 · Replies 3 · Feb 28, 2005

Replies: 3

Views: 8K

Undergrad What is the physical significance of phase or phase difference

Feb 25, 2005 · Replies 3 · Feb 27, 2005

Replies: 3

Views: 8K

Undergrad Why in hot weather dry streets can appear to be wet?

Feb 26, 2005 · Replies 5 · Feb 27, 2005

Replies: 5

Views: 2K

Graduate How Does Antenna Gain vs Effective Area Change at Visible Wavelengths?

Oct 31, 2004 · Replies 2 · Feb 26, 2005

Replies: 2

Views: 15K

Graduate Does specular reflection impart a force?

Feb 24, 2005 · Replies 2 · Feb 24, 2005

Replies: 2

Views: 6K

Undergrad Sign Convention for Geometrical Optics

Feb 17, 2005 · Replies 8 · Feb 24, 2005

Replies: 8

Views: 10K

Graduate Does a photon accelerate to reach the speed of light?

Feb 22, 2005 · Replies 7 · Feb 24, 2005

Replies: 7

Views: 2K

High School Could Doubling Light Speed Really Change Our Universe?

Feb 19, 2005 · Replies 4 · Feb 22, 2005

Replies: 4

Views: 3K

Undergrad Reflection Intensity: Iron vs. Hollow Black Box

Feb 17, 2005 · Replies 3 · Feb 18, 2005

Replies: 3

Views: 6K

High School Why do long wavelengths travel further than short wavelengths?

Feb 11, 2005 · Replies 17 · Feb 13, 2005

Replies: 17

Views: 58K

Undergrad Light Wave Amplitude: Variation & Length Explained

Feb 7, 2005 · Replies 15 · Feb 10, 2005

Replies: 15

Views: 22K

Undergrad How Do You Calculate the Wavelength Needed to Eject an Electron from Sodium?

Feb 8, 2005 · Replies 7 · Feb 10, 2005

Replies: 7

Views: 5K

Graduate Best Common Folk Materials Slowing Light Down?

Feb 5, 2005 · Replies 5 · Feb 8, 2005

Replies: 5

Views: 3K

Graduate Why Do Spinning Liquid Mirrors Assume a Parabolic Shape?

Feb 4, 2005 · Replies 2 · Feb 4, 2005

Replies: 2

Views: 3K

Graduate Protecting Your Eyes in the Laser Lab: Tips and Precautions

Feb 1, 2005 · Replies 17 · Feb 4, 2005

Replies: 17

Views: 28K

Graduate How Do Materials with Negative Refractive Index Function?

Feb 4, 2005 · Replies 1 · Feb 4, 2005

Replies: 1

Views: 2K

Undergrad Is Watching Your Surroundings Like Viewing a Movie at the Speed of Light?

Jan 31, 2005 · Replies 3 · Feb 1, 2005

Replies: 3

Views: 3K

Undergrad Why don't dispersion occur in glass blocks?

Jan 29, 2005 · Replies 5 · Jan 31, 2005

Replies: 5

Views: 12K

High School Speed of Light Colors: Experiments & Info

Jan 28, 2005 · Replies 8 · Jan 31, 2005

Replies: 8

Views: 4K

Light from Sound: Affordable or Expensive?

Jan 28, 2005 · Replies 3 · Jan 31, 2005

Replies: 3

Views: 3K

Undergrad Does the speed of light actually slow down in glass?

Jan 30, 2005 · Replies 2 · Jan 30, 2005

Replies: 2

Views: 4K

Graduate How Is the Fresnel Double Prism Equation Derived?

Jan 23, 2005 · Replies 1 · Jan 23, 2005

Replies: 1

Views: 10K

Graduate Unraveling the Mystery of Rotation in the Michelson-Morley Experiment

Jan 17, 2005 · Replies 2 · Jan 18, 2005

Replies: 2

Views: 6K

High School Problem figuring out the reflection of a pulse on a rope

Jan 14, 2005 · Replies 2 · Jan 16, 2005

Replies: 2

Views: 2K

Undergrad Why Do Sparks and Lightning Emit Light?

Jan 11, 2005 · Replies 1 · Jan 11, 2005

Replies: 1

Views: 2K

Undergrad Laser Inquiry: What are Cold Lasers?

Jan 8, 2005 · Replies 6 · Jan 11, 2005

Replies: 6

Views: 2K

High School Understanding the Basics of Lasers: A Comprehensive Walkthrough

Jan 9, 2005 · Replies 3 · Jan 10, 2005

Replies: 3

Views: 6K

High School 45' 90' 45')prism will form a laterally inverted image

Jan 10, 2005 · Replies 6 · Jan 10, 2005

Replies: 6

Views: 5K

Simulating Circular Polarization with a Christmas Tree Bead Strand

Jan 9, 2005 · Replies 1 · Jan 9, 2005

Replies: 1

Views: 2K

Graduate Questions about Varying Speed of Light (VSL)

Jan 3, 2005 · Replies 18 · Jan 9, 2005

Replies: 18

Views: 4K

Installing Electric Fence for Dog - Need Ideas

Jan 7, 2005 · Replies 1 · Jan 7, 2005

Replies: 1

Views: 3K

High School Understanding White Light Formation

Jan 6, 2005 · Replies 2 · Jan 6, 2005

Replies: 2

Views: 2K

Undergrad What is meant by Copolarization and Cross polarization?

Dec 28, 2004 · Replies 3 · Jan 4, 2005

Replies: 3

Views: 3K

Undergrad Faster than the speed of light.

Jan 1, 2005 · Replies 5 · Jan 3, 2005

Replies: 5

Views: 3K

Undergrad Why do objects take on different color tones when placed near each other?

Jan 2, 2005 · Replies 3 · Jan 2, 2005

Replies: 3

Views: 15K

Undergrad Faster than light communication

Jan 1, 2005 · Replies 2 · Jan 1, 2005

Replies: 2

Views: 2K

Graduate What Causes Light Speed Variations in Different Materials?

Dec 23, 2004 · Replies 9 · Dec 30, 2004

Replies: 9

Views: 2K

Graduate Can Electrons and Photons Really Move by Jumping?

Dec 27, 2004 · Replies 7 · Dec 27, 2004

Replies: 7

Views: 3K

Undergrad Difference between spin and polarisation?

Dec 27, 2004 · Replies 1 · Dec 27, 2004

Replies: 1

Views: 2K

Undergrad Light refraction index equation

Dec 24, 2004 · Replies 3 · Dec 25, 2004

Replies: 3

Views: 2K

Undergrad Question about single slit diffraction .

Dec 18, 2004 · Replies 7 · Dec 24, 2004

Replies: 7

Views: 4K

High School What is the range of wavelengths for visible light?

Dec 16, 2004 · Replies 14 · Dec 21, 2004

Replies: 14

Views: 6K

Undergrad Rotating Lens for optimal viewing

Dec 5, 2004 · Replies 8 · Dec 21, 2004

Replies: 8

Views: 3K

High School Black Light Safety: Risks and Precautions

Dec 21, 2004 · Replies 1 · Dec 21, 2004

Replies: 1

Views: 3K

Undergrad Can Two Speakers Produce Destructive Interference with Longitudinal Waves?

Dec 19, 2004 · Replies 2 · Dec 20, 2004

Replies: 2

Views: 3K

Graduate How Does a Mirror Reflect Light at the Atomic Level?

Oct 5, 2004 · Replies 12 · Dec 19, 2004

Replies: 12

Views: 7K

Graduate Complete Destructive Interference?

Dec 19, 2004 · Replies 6 · Dec 19, 2004

Replies: 6

Views: 7K

Undergrad Bi-refraction by calcite crystal

Dec 9, 2004 · Replies 1 · Dec 16, 2004

Replies: 1

Views: 5K

High School Is the distance between a trough and crest one wavelength?

Dec 13, 2004 · Replies 6 · Dec 14, 2004

Replies: 6

Views: 6K

Undergrad How Does the Doppler Shift Affect Light When Approaching a Source?

Dec 11, 2004 · Replies 2 · Dec 11, 2004

Replies: 2

Views: 3K

Graduate What are the implications of a negative refractive index in optics?

Nov 2, 2004 · Replies 5 · Dec 9, 2004

Replies: 5

Views: 3K

High School Why is the speed of light 299,792,458 metres per second?

Dec 8, 2004 · Replies 9 · Dec 9, 2004

Replies: 9

Views: 12K

Undergrad Mirrors and lenses under water

Dec 8, 2004 · Replies 3 · Dec 9, 2004

Replies: 3

Views: 10K

Undergrad Does the wavelength change when light passes through glass?

Nov 30, 2004 · Replies 6 · Dec 8, 2004

Replies: 6

Views: 3K

High School What Produces Light and Where Does It Go in a Room?

Dec 3, 2004 · Replies 2 · Dec 6, 2004

Replies: 2

Views: 2K

High School Firing a Laser Gun at Fish: Aiming with Light Refraction

Dec 3, 2004 · Replies 1 · Dec 4, 2004

Replies: 1

Views: 2K

High School A General Question about Light

Dec 2, 2004 · Replies 1 · Dec 2, 2004

Replies: 1

Views: 2K

Undergrad What Is Bilinear Optic and How Does It Relate to Birefringence?

Dec 1, 2004 · Replies 1 · Dec 2, 2004

Replies: 1

Views: 2K

Undergrad Schlieren Photography - Learn How It's Produced & Used

Nov 27, 2004 · Replies 2 · Dec 1, 2004

Replies: 2

Views: 3K

Graduate Uncovering the Secrets of Photons: From Heat Transfer to Black Matter

Nov 22, 2004 · Replies 24 · Nov 26, 2004

Replies: 24

Views: 4K

Undergrad What is the difference between dispersion and diffraction in waves?

Nov 23, 2004 · Replies 2 · Nov 24, 2004

Replies: 2

Views: 8K

High School Refractive index and critical angle

Nov 22, 2004 · Replies 11 · Nov 23, 2004

Replies: 11

Views: 22K

Graduate Light Propulsion: The Hypothetical Question of Energy Transfer and Velocity

Nov 6, 2004 · Replies 3 · Nov 21, 2004

Replies: 3

Views: 3K

Undergrad Angular spread in diffraction grating

Nov 19, 2004 · Replies 1 · Nov 21, 2004

Replies: 1

Views: 7K

Undergrad Question about the Moire Effect

Nov 20, 2004 · Replies 2 · Nov 21, 2004

Replies: 2

Views: 2K

Graduate Interferometer Capabilities for Detecting Wavelength Differences

Nov 18, 2004 · Replies 1 · Nov 19, 2004

Replies: 1

Views: 3K

Graduate Fresnel Equations Boundary Conditions

Nov 11, 2004 · Replies 5 · Nov 18, 2004

Replies: 5

Views: 8K

Graduate Is Planck's Constant Truly a Variable in Photon Chemistry?

Nov 14, 2004 · Replies 7 · Nov 17, 2004

Replies: 7

Views: 3K

Undergrad Optics and Photonics: What is it?

Nov 15, 2004 · Replies 1 · Nov 15, 2004

Replies: 1

Views: 7K

Graduate What is the role of EMSFT in predicting photon chemistry?

Nov 14, 2004 · Replies 9 · Nov 14, 2004

Replies: 9

Views: 3K

Graduate What is the standard frequency of photons used in the double slit experiment?

Nov 12, 2004 · Replies 14 · Nov 14, 2004

Replies: 14

Views: 4K

High School Do the suns xrays reach earth?

Nov 13, 2004 · Replies 1 · Nov 13, 2004

Replies: 1

Views: 3K

Undergrad Fresnel Biprism Equation Derviation-

Nov 13, 2004 · Replies 2 · Nov 13, 2004

Replies: 2

Views: 14K

Undergrad Beams of light and wave effects .

Nov 10, 2004 · Replies 2 · Nov 11, 2004

Replies: 2

Views: 3K

Graduate Theory Of The Ionization Of Gases By Laser Beams

Nov 8, 2004 · Replies 1 · Nov 10, 2004

Replies: 1

Views: 2K

Graduate Light speed and space-time distortion

Oct 25, 2004 · Replies 14 · Nov 9, 2004

Replies: 14

Views: 7K

Graduate How Is the Speed of Light Measured in a Recursive Universe?

Nov 5, 2004 · Replies 10 · Nov 8, 2004

Replies: 10

Views: 4K

High School Demonstrate diffraction in a ripple tank

Nov 8, 2004 · Replies 1 · Nov 8, 2004

Replies: 1

Views: 2K

High School How Do You Create and View Stereo Images?

Oct 30, 2004 · Replies 3 · Oct 31, 2004

Replies: 3

Views: 2K

High School Does Light Travel at the Same Speed in Air and Vacuum?

Oct 27, 2004 · Replies 8 · Oct 31, 2004

Replies: 8

Views: 4K

Graduate Do Photons of Different Frequencies Have Varying Masses?

Sep 29, 2004 · Replies 14 · Oct 30, 2004

Replies: 14

Views: 3K

Undergrad Young's double slit experiment

Oct 28, 2004 · Replies 3 · Oct 29, 2004

Replies: 3

Views: 4K

Graduate Faster than light speed - No conflict between classical and relativistic motion

Apr 4, 2004 · Replies 21 · Oct 28, 2004

Replies: 21

Views: 5K

Graduate Faster Than Light Theory #759310

Oct 27, 2004 · Replies 2 · Oct 27, 2004

Replies: 2

Views: 2K

High School Faster than light theory #759309

Oct 26, 2004 · Replies 3 · Oct 27, 2004

Replies: 3

Views: 2K

High School Inquiring About Laser: Is It Ionizing Radiation?

Oct 25, 2004 · Replies 8 · Oct 27, 2004

Replies: 8

Views: 3K

High School Why is it that in a mirror that my image is flipped

Oct 26, 2004 · Replies 4 · Oct 26, 2004

Replies: 4

Views: 3K

High School Solution for traveling faster than speed of light

Oct 25, 2004 · Replies 12 · Oct 26, 2004

Replies: 12

Views: 4K

High School Why is the sky blue yet the light that reaches the earth white?

Oct 26, 2004 · Replies 4 · Oct 26, 2004

Replies: 4

Views: 5K

High School Can Ice Act as a Converging Lens to Start a Fire?

Oct 25, 2004 · Replies 1 · Oct 25, 2004

Replies: 1

Views: 2K

Graduate Is Vertically Polarized Light Different When Reflected from East vs. West?

Oct 23, 2004 · Replies 2 · Oct 25, 2004

Replies: 2

Views: 3K

Undergrad Understanding the Inversion Effect in Optics and Oxide: A Visual Explanation

Oct 24, 2004 · Replies 1 · Oct 25, 2004

Replies: 1

Views: 4K

Undergrad Rectangular aperture on Single slit diffraction

Oct 24, 2004 · Replies 2 · Oct 24, 2004

Replies: 2

Views: 7K

Graduate What are solitons and how do they affect us?

Oct 21, 2004 · Replies 11 · Oct 23, 2004

Replies: 11

Views: 3K

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