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Learn About Lightning and Motion - Williamson Labs

  • beluluk
  • · Replies 19 ·
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19

Undergrad What Exerts a Force on a beam of Light?

  • LukeJD
  • · Replies 11 ·
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11

Undergrad How Do You Distinguish Between Interference and Diffraction in Wave Experiments?

  • alchemist7
  • · Replies 1 ·
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1

Undergrad Understanding Phase Shift in Wave Light

  • alchemist7
  • · Replies 2 ·
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2

Graduate Why Do Lightwaves Penetrate Salt Water While Radiowaves Cannot?

  • Thierry12
  • · Replies 1 ·
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1

Graduate Why is transmission coefficient greater than reflection coefficient?

  • whitenight541
  • · Replies 1 ·
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1

High School Why Is the Sky Blue Due to Light Scattering?

  • clarityx
  • · Replies 11 ·
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11

Graduate How does quantization of energy solve the ultraviolet catastrophe?

  • Shawn Garsed
  • · Replies 3 ·
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3

Undergrad How to calculate Microwave Power

  • CL39
  • · Replies 1 ·
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1

Undergrad Pinhole Diffraction results - Young's Experiment

  • texasdave
  • · Replies 1 ·
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1

Graduate Wouldn't traveling at the speed of light implode the universe

  • Argen
  • · Replies 9 ·
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9

Graduate Speed of light should depend on the amplitude of the waveform?

  • XYZ_3D
  • · Replies 3 ·
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3

High School Will Light Bend When Reaching a Black Hole?

  • johncena
  • · Replies 6 ·
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6

High School Young's double slit experiment decreasing distance

  • xswtxoj
  • · Replies 1 ·
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1

Undergrad Is the speed of light the same everywhere in space?

  • monty37
  • · Replies 30 ·
2
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30

High School Why does a traffic light spread across wet ground after rain?

  • blumfeld0
  • · Replies 2 ·
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2

Undergrad What does mixed polarization mean?

  • enricfemi
  • · Replies 4 ·
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4

Graduate Solving Antenna Polarization Issues with Ray Tracing

  • whitenight541
  • · Replies 15 ·
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15

Undergrad Optics - why chromatic aberrations

  • Cspeed
  • · Replies 15 ·
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15

Graduate Amplitude change of light during refraction

  • AliAliAli
  • · Replies 4 ·
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4

High School What is the Smallest Possible Wavelength of Light?

  • scupydog
  • · Replies 4 ·
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4

High School What color would a green cloth appear in yellow light

  • jsmith613
  • · Replies 2 ·
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2

High School Interference of Waves Lab: Teach Grade 12 Physics

  • janahan
  • · Replies 1 ·
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1

Graduate Experimental Polarization Techniques

  • reasonableman
  • · Replies 3 ·
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3

Graduate Does a Photon Have a Physical Size?

  • earamsey
  • · Replies 1 ·
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1

Undergrad How do light bulbs really work

  • p.tryon
  • · Replies 5 ·
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5

Graduate How do you reconcile EM fields with frequency of light?

  • benbenny
  • · Replies 10 ·
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10

Graduate Shear Interferometer to test collimation

  • Woland
  • · Replies 3 ·
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3

Undergrad What factors affect the coherence of waves?

  • alchemist7
  • · Replies 4 ·
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4

High School Laser Experiments at Home - Helium Neon 1mW

  • scupydog
  • · Replies 14 ·
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14

Undergrad Is the World Actually Colorless?

  • Prearius
  • · Replies 25 ·
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25

Undergrad UVA-340 uniform lighting and transmissive material options

  • physicophile
  • · Replies 6 ·
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6

Graduate Why does gravity affect photons if they have no mass?

  • illconductor
  • · Replies 6 ·
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6

High School Why can't light penetrate all surfaces?

  • johncena
  • · Replies 6 ·
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6

Undergrad Beam emergence from cylindrical lens

  • 0207
  • · Replies 2 ·
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2

Graduate Do both current and displacement field terms contribute to B around a moving charge?

  • snoopies622
  • · Replies 11 ·
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11

Undergrad Interference Pattern w/ D ~ d: Qualitative Analysis

  • buffordboy23
  • · Replies 4 ·
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4

Graduate Differential Cross-Section: What is it and Why Does it Matter?

  • AxiomOfChoice
  • · Replies 3 ·
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3

Graduate Can conjugate images be used in place of dark field filters?

  • Ruddiger28
  • · Replies 3 ·
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3

Undergrad [Q] Do you understand what is numerical aperture and f number?

  • good_phy
  • · Replies 1 ·
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1

High School What is the meaning of co-propagating beam?

  • cks
  • · Replies 1 ·
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1

Graduate Force of gravity between photon and earth

  • cragar
  • · Replies 4 ·
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4

Undergrad Optics Equation: What Assumptions Lead to n1f1=-n2f2?

  • Prologue
  • · Replies 2 ·
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2

High School Lens can focus the light to a smaller spot by ?

  • cks
  • · Replies 3 ·
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3

Undergrad Prove how focus of a spherical mirror = Radius of curvature/2

  • amanara
  • · Replies 4 ·
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4

Graduate What Are the Latest Laser Cooling Techniques for Nd:YAG Lasers?

  • 0207
  • · Replies 6 ·
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6

Undergrad Angle of deviation for plano-concave lenses

  • omega360
  • · Replies 6 ·
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6

High School Why is visible light invisible?

  • Spenakis
  • · Replies 5 ·
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5

Graduate Can an EM wave be both circularly polarized and horizontally polarized at once?

  • sauravrt
  • · Replies 3 ·
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3

High School How far does red light travel.

  • MaxManus
  • · Replies 6 ·
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6

Graduate Why does phase shift depend on whether reflections are external or internal?

  • good_phy
  • · Replies 1 ·
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1

Undergrad Experimenting the Speed of Light with Optical Fibers

  • ATH500
  • · Replies 6 ·
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6

Graduate Shadow Edge in Vacuum: Intensity & Wavelength

  • rjbeery
  • · Replies 2 ·
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2

Undergrad How do cylindrical lenses differ from spherical lenses in imaging?

  • 0207
  • · Replies 7 ·
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7

Undergrad Knowing the frequency of light

  • jalalmalo
  • · Replies 4 ·
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4

Undergrad Huygens-Fresnel principle and Diffraction

  • Jurif
  • · Replies 1 ·
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1

Graduate Rutherford Scattering in Landau book

  • roeb
  • · Replies 1 ·
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1

Undergrad Flight formulas and forces for a flight simulator

  • Vok5
  • · Replies 8 ·
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8

Graduate Does a Photon Change Speed When Hitting an Electron?

  • jobyts
  • · Replies 9 ·
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9

High School Endless Light: A Look Into the Sphere of One Way Mirrors

  • abelco
  • · Replies 2 ·
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2

Undergrad What is the process of photon emission in atoms?

  • cragar
  • · Replies 24 ·
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24

High School Why does Gravity affects Light?

  • 9Vibes
  • · Replies 3 ·
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3

Undergrad Optical/Observational Perspective Question

  • NWH
  • · Replies 6 ·
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6

Undergrad Why do light bulbs don't explode?

  • fluidistic
  • · Replies 17 ·
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17

Graduate How does a lens affect diffraction grating intensity patterns?

  • rabbit44
  • · Replies 7 ·
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7

High School Why does a pinhole make distant objects sharp for nearsighted eyes?

  • xcvxcvvc
  • · Replies 10 ·
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10

Undergrad Can Light Wave Interference Affect Our Perception of Stars?

  • VyR
  • · Replies 4 ·
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4

Undergrad Optical light transmission through a coating

  • 0kensai0
  • · Replies 3 ·
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3

High School How can I make a telescope eyepiece

  • Abd Errahmane
  • · Replies 2 ·
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2

Undergrad Diffraction of water wave vs diffraction of light wave

  • Ronald_Ku
  • · Replies 6 ·
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6

Graduate Reflectance to Status A Density; How to convert?

  • greif
  • · Replies 1 ·
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1

Graduate How Do Polarizations Interfere in a Sagnac Interferometer?

  • clougb
  • · Replies 5 ·
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5

Undergrad Do light waves change over distance within a vacuum?

  • xcrunner2414
  • · Replies 5 ·
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5

High School Can Light Waves Inside an Air-Tight Box be Reduced to Zero?

  • xcrunner2414
  • · Replies 6 ·
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6

Graduate Judging distance of a light source

  • NPacific
  • · Replies 6 ·
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6

High School Why Does a Projected Black Background Not Make a White Screen Look Black?

  • jamesabc
  • · Replies 8 ·
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8

Graduate RCWA derivation steps in Soifer diffraction grating analysis

  • Krzysztow
  • · Replies 4 ·
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4

High School What light do mirrors absorb and reflect?

  • Stratosphere
  • · Replies 1 ·
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1

Graduate Can Light and Gravity Cause a Scale to Register Weight?

  • cragar
  • · Replies 4 ·
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4

Undergrad Diffraction grating for astronomy?

  • bina0001
  • · Replies 3 ·
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3

Undergrad How Do You Calculate the Minimum Gaussian Beam Waist?

  • ferero
  • · Replies 1 ·
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1

High School What is waving in electromagnetic waves?

  • hoodleehoo
  • · Replies 11 ·
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11

Graduate Light used to capture anti-matter

  • menergyam
  • · Replies 2 ·
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2

Undergrad Why is the speed of light defined as C in our universe?

  • sanman
  • · Replies 15 ·
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15

Undergrad How fast would you need to travel to see a red light as green?

  • cragar
  • · Replies 5 ·
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5

Undergrad Most Powerful Continuous Laser

  • natski
  • · Replies 1 ·
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1

Graduate Understanding TE Mode in Waveguides: Effects of Linear Polarization

  • radonballoon
  • · Replies 3 ·
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3

High School Can Real Images Be Viewed Without a Screen?

  • Ghost803
  • · Replies 1 ·
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1

Graduate What thickness of lead reduces gamma radiation to below 5 gray?

  • NJV
  • · Replies 6 ·
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6

Graduate Can we power a light bulb with positrons?

  • cragar
  • · Replies 8 ·
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8

Graduate How Does Light Interact with Different Media According to Quantum Mechanics?

  • feynmann
  • · Replies 3 ·
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3

Undergrad Dark field imaging - what would be a good sample?

  • daveyman
  • · Replies 1 ·
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1

Graduate Does the concept of force apply to photons without a measurable mass?

  • nelsyeung
  • · Replies 20 ·
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20

High School Why does total internal reflection happen in glass?

  • Unredeemed
  • · Replies 4 ·
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4

Graduate Earnshaw's Theorem and a photon

  • Harmony
  • · Replies 6 ·
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6

Undergrad Physics of GPS signal transmission and reflection

  • doc.madani
  • · Replies 21 ·
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21

Undergrad What happens if the path difference is not a multiple of lambda?

  • pakontam
  • · Replies 1 ·
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1

Undergrad Focusing reflected laser beam onto photodiode with convex lens

  • Ray_Xu
  • · Replies 5 ·
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5

Undergrad Matter @ speed of light and e=mc^2

  • Pjpic
  • · Replies 8 ·
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8

Undergrad Does speed of light also mean strength of light?

  • ColonelTravis
  • · Replies 4 ·
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4