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High School Young's Double Slit Experiment science fair

  • Millacol88
  • · Replies 16 ·
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16

Graduate Energy of Photon: Planck's Relation Proof

  • sharma_satdev
  • · Replies 2 ·
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2

Undergrad Korea's upcoming invisible tower

  • svishal03
  • · Replies 3 ·
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3

Undergrad Is color an intrisic property of a substance - even in a dark room?

  • kjamha
  • · Replies 5 ·
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5

Undergrad Light Resonance: Conceptual Question for Physicists

  • dillmon
  • · Replies 6 ·
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6

Graduate Amplifying Sunlight Through Fiber Optic Cables w/ Resonance?

  • dillmon
  • · Replies 1 ·
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1

Graduate How Do Two Explanations of Spatial Hole Burning Differ?

  • Niles
  • · Replies 1 ·
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1

Graduate Rayleigh wave reflection at solid-liquid interface

  • Ribena
  • · Replies 2 ·
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2

Graduate Waves on a 1D string in higher dimensions, polarizations?

  • Spinnor
  • · Replies 2 ·
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2

Undergrad Why does a lens automatically produce perspective?

  • fisico30
  • · Replies 5 ·
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5

Undergrad Refraction and bending of light

  • sharma_satdev
  • · Replies 3 ·
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3

Rust from my microwave ruined a nice bowl of soup and also my day

  • leonard2910
  • · Replies 5 ·
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5

Graduate Pincushion distortion from spherical detectors

  • senan
  • · Replies 1 ·
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1

Graduate Can better sensors extract unlimited info from old lens?

  • nugat
  • · Replies 13 ·
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13

Undergrad I've been studying waves and diffraction has come up, I'd just like to

  • slingboi
  • · Replies 2 ·
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2

Graduate How does refraction work on the quantum level?

  • Ai52487963
  • · Replies 15 ·
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15

Undergrad Problem with Diffraction Grating Equation (results do not match theory)

  • MnFeCo
  • · Replies 1 ·
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1

High School Can Alternating Current Generate Light?

  • lluke9
  • · Replies 3 ·
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3

Undergrad Complete annihilation of light through polarizers

  • quietrain
  • · Replies 4 ·
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4

High School Understanding Changes in Earth's Rotation and Revolution Speeds

  • sanidhay
  • · Replies 34 ·
2
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34

Undergrad Why Did a Cumulus Cloud Change Colors When Viewed Through Polarized Sunglasses?

  • questionpost
  • · Replies 1 ·
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1

High School Why Does Wet Paper Allow More Light to Pass Through?

  • vin300
  • · Replies 4 ·
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4

Graduate Why does R_s have a reflectivity minimum for metals, not R_p?

  • Nick89
  • · Replies 16 ·
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16

Undergrad Does infrared pass through a glass prism or get absorbed?

  • Scorpii
  • · Replies 6 ·
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6

Undergrad How can polarizing filters block EM waves without stopping both fields?

  • astromajor
  • · Replies 1 ·
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1

High School Does Light Travel Forever or Eventually Fade Away?

  • jsa0100
  • · Replies 5 ·
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5

Graduate Acousto optical modulators

  • Niles
  • · Replies 3 ·
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3

Graduate Which energy is easier to catch? LED or laser

  • fisico30
  • · Replies 4 ·
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4

High School Why is light both a particle and a wave?

  • Jarfi
  • · Replies 17 ·
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17

High School Light Speed: Is Life Truly "Indefinable"?

  • Bluesand2
  • · Replies 5 ·
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5

Undergrad Aligning a laser with a single-mode fibre

  • superiority
  • · Replies 1 ·
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1

Undergrad Origin of beat frequency equation for Michelson interferometer

  • jinksys
  • · Replies 2 ·
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2

Undergrad Do photons have mass if they can be interpreted as particles?

  • Andrew Aidan
  • · Replies 11 ·
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11

Graduate Polarization Beamsplitter Cubes

  • Niles
  • · Replies 1 ·
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1

Undergrad What is causing the LED to light up when touched without a direct connection?

  • Artlav
  • · Replies 5 ·
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5

Graduate Device that blocks waves of one phase, but transmits wave of opposite phase?

  • franco1991
  • · Replies 13 ·
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13

Graduate How exactly does light's wavelength expanding over time mean space expands?

  • questionpost
  • · Replies 13 ·
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13

Undergrad Relation between laser frequency and range?

  • cgardhar
  • · Replies 15 ·
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15

Undergrad Infrared Wavelength: Same Emission for All Materials?

  • skikid
  • · Replies 3 ·
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3

Undergrad Anti-reflection and full-reflection coatings at specific wavelengths

  • fisico30
  • · Replies 3 ·
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3

High School How do ball lenses work when in contact with each other?

  • dargahi
  • · Replies 2 ·
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2

Undergrad Does Ether Exist? 19th Century Evidence

  • RoughRoad
  • · Replies 77 ·
3
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77

High School Why can you read in a shadow but not in total darkness?

  • TheSourceCode
  • · Replies 3 ·
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3

Graduate Doppler effect for light - how can it be explained ?

  • fsoica
  • · Replies 23 ·
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23

Undergrad What Is the Scientific Explanation for Ball Lightning?

  • questionpost
  • · Replies 2 ·
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2

Undergrad Huygens's principle and wavelets in reflection

  • physicskid12
  • · Replies 3 ·
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3

Undergrad Laser pointer shined on photographic film?

  • Edgewood11
  • · Replies 7 ·
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7

Graduate How is refractive index a function of frequency?

  • vhbelvadi
  • · Replies 1 ·
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1

Undergrad Dangerous Wavelengths In Glassblowing

  • koopdi
  • · Replies 12 ·
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12

Undergrad Why are telecentric lenses useful for imaging small objects?

  • fisico30
  • · Replies 13 ·
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13

Undergrad Does laser focus distance have a physical limit?

  • easyrider
  • · Replies 5 ·
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5

Graduate How does the number of photons determine wavelength?

  • vhbelvadi
  • · Replies 4 ·
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4

Graduate Selective transmission/absorption of light based on amplitude?

  • franco1991
  • · Replies 3 ·
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3

Undergrad Is light reflection instantaneous or does absorption precede emission?

  • elegysix
  • · Replies 10 ·
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10

High School Why photodiode is operated in reverse bias?

  • hanii
  • · Replies 5 ·
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5

Undergrad What happens to light reflected from a polarizer?

  • DivGradCurl
  • · Replies 2 ·
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2

High School How do I build a homopolar generator?

  • Doctor H.B
  • · Replies 11 ·
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11

Graduate Writing Optical Fields: An Explanation by Niles

  • Niles
  • · Replies 1 ·
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1

Graduate Deriving the thin lens formula 1/f = 1/S_O + 1/S_I

  • Niles
  • · Replies 11 ·
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11

Graduate Planewave scattering on metal wedge problem

  • tomas1
  • · Replies 2 ·
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2

Undergrad Refraction and constant frequency

  • Zman
  • · Replies 12 ·
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12

Where can i buy monochromatic coloured filters(optics):

  • zak8000
  • · Replies 1 ·
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1

Undergrad Why is resolving limited by wavelength?

  • Zoroaster
  • · Replies 6 ·
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6

Undergrad Choosing the correct type of filter

  • zak8000
  • · Replies 1 ·
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1

Undergrad What happens to waves after they interfere destructively?

  • franco1991
  • · Replies 6 ·
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6

Graduate Standing wave interference patterns on liquid metals

  • Skruples
  • · Replies 1 ·
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1

Graduate Frequency of the polarization of light

  • edguy99
  • · Replies 4 ·
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4

Undergrad Is the speed of light truly the fastest velocity in the universe?

  • Lesnick
  • · Replies 8 ·
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8

Undergrad Counterintuitive result? Polarizers, Malus's Law

  • Guni22
  • · Replies 3 ·
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3

Undergrad Distortion to correct farsightedness(Hyperopia)

  • ECCsimmons
  • · Replies 2 ·
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2

Graduate Specular reflection, diffuse reflection, and scattering fundamentally different

  • iridescence
  • · Replies 12 ·
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12

Graduate Can a Hypothetical Perfectly Rigid Body Transmit Forces Faster than Light?

  • etriad
  • · Replies 3 ·
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3

Graduate Can you have an anti focal point of a lens?

  • johne1618
  • · Replies 2 ·
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2

Graduate Does Speed Of Light Scale With Size?

  • geelsu
  • · Replies 5 ·
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5

Graduate Does the Fabry Perot spectrometer's free spectral range change with distance?

  • Niles
  • · Replies 1 ·
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1

Graduate Radiance of a Lambertian emitter

  • mnb96
  • · Replies 7 ·
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7

Graduate Photon Detectors: Absorption or Further Testing?

  • StevieTNZ
  • · Replies 4 ·
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4

Undergrad D2O (Deuterium Oxide) Referactive Index vs H2O (Water)

  • qazi75
  • · Replies 1 ·
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1

High School Is it Possible to Change Light Color with Material?”

  • xzardaz
  • · Replies 2 ·
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2

Undergrad Why is the speed of light slower in substances compared to a vacuum?

  • Octopoda
  • · Replies 3 ·
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3

High School Understanding Optical Equivalent Path: Differences and Similarities

  • jishitha
  • · Replies 2 ·
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2

Graduate Evanescent wave coupling between two prisms

  • sfm29
  • · Replies 2 ·
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2

Undergrad Interference: Calculating the direction of the resultant wave

  • franco1991
  • · Replies 6 ·
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6

Undergrad How Does Light Relate to Energy and Subatomic Particles?

  • JeremyL
  • · Replies 9 ·
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9

Graduate Is the Dual Nature of Light Really That Confusing?

  • bobsmith76
  • · Replies 3 ·
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3

High School Would sunrises occur 8 minutes earlier if light traveled instantaneously?

  • AlexLAV
  • · Replies 54 ·
2
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54

Undergrad Unlock the Potential of Natural Oils: Light Theory and Car Wax"

  • JJ_
  • · Replies 4 ·
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4

Undergrad N=c/v=λ0/λ (T doesn't change) and v of light is constant

  • brainyman89
  • · Replies 4 ·
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4

Undergrad The Speed of Light: Variance in Non-Vacuum Mediums

  • brainyman89
  • · Replies 1 ·
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1

Graduate Why is there no free surface current at a conducting boundary?

  • phrygian
  • · Replies 23 ·
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23

Undergrad Linear polarized light and polarisation

  • Gavroy
  • · Replies 3 ·
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3

Graduate Is Gravity a quantum state like light is?

  • lorrad
  • · Replies 4 ·
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4

Undergrad Double-Split experiment with light

  • 1way
  • · Replies 1 ·
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1

Graduate Understanding Polarization and Phase Changes in Optical Systems

  • Niles
  • · Replies 8 ·
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8

Graduate Why did CERN's faster-than-light neutrinos cause controversy?

  • dvdl
  • · Replies 1 ·
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1

Graduate Nothing is faster than Light, Right?

  • Algren
  • · Replies 1 ·
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1

High School Does Light Change Color When Refracted in Glass?

  • unnddd
  • · Replies 11 ·
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11

High School Why does black color asorb light?

  • shashipoddar1
  • · Replies 36 ·
2
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36

Undergrad What glass container shape maximizes total internal reflection?

  • jobsism
  • · Replies 2 ·
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2

Graduate Strain optic coefficient definition

  • Femme_physics
  • · Replies 4 ·
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4