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Graduate The varying speed of light (Calc+ needed)

  • cDimino
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5

Undergrad How to Convert RGB Values to Wavelength and Vice Versa?

  • neurocomp2003
  • · Replies 5 ·
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5

High School Able to make the split needed for the interference experiment

  • Craig113
  • · Replies 7 ·
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7

Undergrad Question regarding speed of light

  • pamichel
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3

Undergrad Do higher wavelength microwaves need less power to transmit over distance?

  • shakeelahmadch
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7

High School Is ultrasound technology cheaper compared to x-ray technology?

  • sniffer
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Graduate Can a rigid object transmit a signal faster than the speed of light?

  • madness
  • · Replies 5 ·
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5

High School What materials make the best mirrors?

  • ssj5harsh
  • · Replies 11 ·
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11

Graduate What are the Fresnel formulas for magnetic permeability not equal to 1?

  • Stalker
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2

The Unseeable: Can They Do It?

  • Someone502
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2

Undergrad Speed of light is a universal constant

  • aura
  • · Replies 36 ·
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36

Undergrad Light Transmission Through Window Glass

  • Swampeast Mike
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Can music really be transmitted faster than light?

  • Rasine
  • · Replies 32 ·
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32

Graduate Why does light travel at the same speed for all observers?

  • madness
  • · Replies 6 ·
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6

High School Refraction : freq remains unchanged

  • momentum
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5

High School What is the difference between real and imaginary images in optics?

  • momentum
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2

Graduate Why does a small circular aperture dim the center but a cross slit stays bright?

  • Robert Burdge
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2

Undergrad What is the Amplitude and Wavelength of a Real Wave in Nature?

  • tino lin
  • · Replies 17 ·
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17

Graduate Rayleigh-scattering and dipole Common characters?

  • Stylewriter
  • · Replies 4 ·
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4

Graduate Diffraction derivation on Wiki - wrong?

  • jetpeach
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1

High School Find more information on Myopia (nearsightedness)

  • Roxy
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3

Graduate What's the difference between Bragg spacing, d-spacing, Q and repeat distance?

  • thearny
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2

Graduate A New look at the intensity of light.

  • McQueen
  • · Replies 26 ·
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26

High School How is a laser beam bent in this photo?

  • Omid
  • · Replies 6 ·
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6

Undergrad Thickness between glass plates

  • jetpeach
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2

High School Virtual mirror on the road on hot days. Why is that?

  • nktvnvn
  • · Replies 2 ·
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2

Graduate Proof : Light Speed isn't Constant

  • nakayama
  • · Replies 8 ·
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8

High School Unbelievable Rainbow Phenomenon: 4 Cycles of Color!

  • Chi Meson
  • · Replies 3 ·
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3

High School Why do three 25W bulbs in series show only 12W total?

  • senorbrown
  • · Replies 6 ·
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6

High School Questions puzzling me about light

  • Spastik_Relativity
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2

High School How are lasers used for measuring distances and other quantities?

  • fifi
  • · Replies 5 ·
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5

Graduate The higgs boson=the graviton= the speed of light

  • astiocles
  • · Replies 1 ·
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1

Graduate How do electrons gain energy from classical EM waves?

  • Cheman
  • · Replies 12 ·
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12

High School Does Light Have Mass? Answering Your Questions

  • sclancy
  • · Replies 11 ·
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11

Undergrad Can We See Invisible Spectra Like Birds See UV Light?

  • Someone502
  • · Replies 9 ·
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9

Undergrad How Do X-Rays Become Visible on Medical Imaging?

  • Stylewriter
  • · Replies 13 ·
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13

High School How to determine the refracting index of a medimum?

  • callejon
  • · Replies 6 ·
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6

Undergrad Critical Angle: Vacuum vs. Air Refraction

  • Cheman
  • · Replies 1 ·
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1

Have you observed ball lightning up close? Describe what you saw?

  • TEMYCH
  • · Replies 9 ·
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9

Graduate Beta particle backscatter from foils: which radioactive source?

  • exequor
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3

High School How fast can lightning change direction?

  • DeeZee
  • · Replies 9 ·
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9

Graduate Photon as force carrier particle

  • Almeisan
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8

High School How does a laser beam bounce through a plastic block?

  • user123
  • · Replies 6 ·
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6

High School Why Can We Hear Around Corners But Not See Around Them?

  • harhar
  • · Replies 3 ·
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3

Undergrad Calc. Spread Wavelength w/ Monochromatic Light Source

  • truth_hunter
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1

Undergrad Why doesn't slowing light to 38mph create a minimal speed limit?

  • bayan
  • · Replies 8 ·
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8

Undergrad How Does the Wave Nature of Light Impact Modern Technology and Society?

  • harhar
  • · Replies 7 ·
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7

High School Why Does a Street Lamp Have a Halo?

  • T@P
  • · Replies 14 ·
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14

High School Why is the Spectrum of Light Only 7 Colors?

  • T@P
  • · Replies 16 ·
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16

Undergrad How broad is the rainbow spectrum?

  • Phobos
  • · Replies 13 ·
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13

Graduate Can Man Sustain Lightning Bolts with Extreme Voltage AC?

  • sid_galt
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1

Graduate Speed of light in any man made vehicle

  • Arsonade
  • · Replies 11 ·
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11

High School So, to answer the question: Why is the shadow during a lunar eclipse not black?

  • erickam963
  • · Replies 5 ·
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Graduate Where does light energy go in destructive interference?

  • mbe
  • · Replies 10 ·
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10

Graduate Speed of light what if question.

  • UglyEd
  • · Replies 54 ·
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Undergrad Risk of lightning strike on a car.

  • Michael66
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6

Graduate Single slit diffraction in vacuum without edge scattering

  • rob5
  • · Replies 35 ·
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35

Why does a street lamp create a spherical halo around it?

  • T@P
  • · Replies 1 ·
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1

Undergrad Thin Film Interference: Deriving Equation

  • Haftred
  • · Replies 3 ·
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3

High School Why does a pinhole camera image blur when the film is far from the hole?

  • aviator
  • · Replies 11 ·
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11

High School What color are mirrors actually?

  • lwymarie
  • · Replies 18 ·
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18

Undergrad Do electrons create interference fringes in Young's double slit experiment?

  • maverick280857
  • · Replies 16 ·
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16

High School Is wavelength the same as the frequency light sends photons at?

  • Someone502
  • · Replies 2 ·
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2

Undergrad Why Is Light 100% Polarized at Brewster's Angle?

  • mkkrnfoo85
  • · Replies 5 ·
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5

Undergrad Polarized light - QM vs. classical?

  • DaveC426913
  • · Replies 7 ·
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7

Undergrad Is lightning AC or DC current?

  • Sanders555
  • · Replies 11 ·
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11

Undergrad How Does Huygens' Wave Theory Explain Blurriness in Pinhole Images?

  • T@P
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1

High School Why Do Refraction and Diffraction Both Involve Bending of Light?

  • T@P
  • · Replies 1 ·
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1

Undergrad How Is X-ray Produced and Analyzed in Physics?

  • Leaping antalope
  • · Replies 8 ·
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8

Graduate Why does reflected light have a 180° phase change from denser media?

  • marlon
  • · Replies 5 ·
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5

Undergrad Why does unpolarised light have electric fields in all directions?

  • Cheman
  • · Replies 3 ·
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3

Graduate What Happens to Photons in a System of Lenses Designed for Permanent Refraction?

  • whozum
  • · Replies 8 ·
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8

High School How do optical illusions work?

  • misskitty
  • · Replies 4 ·
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4

Undergrad Is light a particle or a wave?

  • futb0l
  • · Replies 76 ·
3
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76

Undergrad Can you send information faster than light by pushing a rod?

  • T@P
  • · Replies 17 ·
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17

Undergrad Finding the Right Category for Photonics Questions

  • Tsunami
  • · Replies 1 ·
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1

Undergrad Is light really a corkscrew shape in 3D?

  • mat337d
  • · Replies 11 ·
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11

Undergrad Thin film iridescence/interference

  • Haftred
  • · Replies 1 ·
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1

High School Speed of radio wave is faster than speed of gamma wave, right?

  • 7bear
  • · Replies 16 ·
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16

Undergrad Immerse a Light Pipe in Water?

  • Farina
  • · Replies 2 ·
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2

Undergrad Can evaporated water create artificial lightning in a closed container?

  • mtanti
  • · Replies 5 ·
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5

Undergrad Light going through glass to make a rainbow

  • relativitydude
  • · Replies 4 ·
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4

Graduate Is there a 'Minimum' Speed of Light?

  • Wave's_Hand_Particle
  • · Replies 49 ·
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Undergrad Can we consider light as a force ?

  • LasTSurvivoR
  • · Replies 2 ·
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High School How Can You Determine the Polarization State of Light?

  • element12
  • · Replies 2 ·
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2

Undergrad Can a normal mirror be turned into a half-silvered mirror?

  • lawtonfogle
  • · Replies 2 ·
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2

High School Lenses, diminished and magnified

  • richnfg
  • · Replies 4 ·
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4

Undergrad Why does total internal reflection occur above the critical angle?

  • ppt
  • · Replies 4 ·
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4

Undergrad How far apart do red and blue light converge in a spherical lens?

  • Haftred
  • · Replies 2 ·
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2

High School Why is a spark necessary to produce radio waves?

  • ppt
  • · Replies 6 ·
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6

Graduate What happens if you go faster than light?

  • mathlete
  • · Replies 22 ·
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22

Graduate Interference of Light Waves in Time Domain

  • anuj
  • · Replies 24 ·
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24

Undergrad Wavelength of zero-order diffraction from a diffraction grating

  • Crumbles
  • · Replies 1 ·
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High School Lunar halo rings seen through a chimney: diffraction or refraction?

  • verri vedhava
  • · Replies 2 ·
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Graduate What is the relationship between a laser's gain curve and its natural linewidth?

  • Crumbles
  • · Replies 3 ·
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3

Graduate What is meant by SINGLE LONGITUDINAL MODE in laser?

  • vani
  • · Replies 8 ·
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8

Undergrad Find Complete Details of Double Slit Experiment Results

  • RandallB
  • · Replies 5 ·
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5

Undergrad Best material for a cylindrical antenna reflector at 2.4 GHz

  • david90
  • · Replies 5 ·
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5

Graduate Laser Modes/Free Spectral Range

  • zeta101
  • · Replies 5 ·
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Graduate Can Photons Experience a Traffic Jam in a Bose-Einstein Condensate?

  • lawtonfogle
  • · Replies 3 ·
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