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Graduate Would anything going the speed of light kill you and would fermions?

  • Mborny
  • · Replies 5 ·
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5

High School What is Coherence? Explained Clearly

  • ShayanJ
  • · Replies 3 ·
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3

Graduate Aberrations at Lens Elements as Unsharp Filter

  • Mustafa Umut
  • · Replies 7 ·
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7

Undergrad Is magnitude of acceleration the absolute value or the speed derivative?

  • tomas123
  • · Replies 1 ·
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1

Undergrad Can a single biconvex lens provide fixed magnification?

  • ricardo7890
  • · Replies 1 ·
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1

High School Why do some sound waves reflect off walls while others are absorbed?

  • adjacent
  • · Replies 3 ·
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3

Graduate Determination of Laser Induced Fields in Matter

  • thepolishman
  • · Replies 1 ·
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1

Graduate Passive long range sensor using radio wave distortions?

  • taylaron
  • · Replies 1 ·
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1

Graduate Relation between refractive index and model equation

  • shally
  • · Replies 1 ·
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1

High School Why does a red laser beam reflect off objects that don't reflect red light?

  • helpmeplz!
  • · Replies 5 ·
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5

Graduate Half-silvered rear surface phase shift

  • Alfred Cann
  • · Replies 1 ·
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1

Graduate Optics issue with focusing beam

  • Degeneration
  • · Replies 7 ·
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7

Undergrad How can a photon reflect off a surface if it has no mass?

  • aayushgsa
  • · Replies 5 ·
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5

Undergrad Why is it not possible to see the interference pattern of white light

  • 5ymmetrica1
  • · Replies 6 ·
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6

High School Index of refraction and density

  • bgq
  • · Replies 1 ·
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1

Graduate Concentration of evanescent/surface waves

  • Karthiksrao
  • · Replies 2 ·
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2

Undergrad Why Choose High Frequency Radio Waves for Long-Distance Communication?

  • luitzen
  • · Replies 3 ·
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3

Graduate Waveguide modes: physical meaning and cutoff frequencies

  • bladesong
  • · Replies 4 ·
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4

Undergrad Why doesn't my magnifying glass match the 5x rating?

  • eightsquare
  • · Replies 6 ·
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6

Graduate Opposite resulting combinations of primary colors

  • Atwun
  • · Replies 1 ·
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1

High School Why Does Our Sun Appear Yellow Instead of White?

  • rogerk8
  • · Replies 66 ·
3
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66

High School Can Bicycles Generate Enough Power to Run Microwaves?

  • Optimus Bam
  • · Replies 2 ·
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2

Undergrad Source of the first Photon in the LASER

  • B4ssHunter
  • · Replies 6 ·
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6

High School How do i demonstrate thin film interference with microscope slides?

  • handsomecat
  • · Replies 3 ·
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3

Graduate Similarity and difference between light and sound?

  • GTOM
  • · Replies 2 ·
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2

Graduate Possibility of million entangled photons

  • Romulo Binuya
  • · Replies 13 ·
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13

Graduate Smallest curvature radius in gradient index optics

  • Sunfire
  • · Replies 1 ·
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1

Undergrad Why don't objects emit the color they absorb?

  • B4ssHunter
  • · Replies 1 ·
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1

High School Young's Double Slit Experiment - Good Set Up?

  • RockPigeon
  • · Replies 2 ·
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2

Undergrad Radio waves to gamma particle question

  • beermeup
  • · Replies 5 ·
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5

Undergrad Can a real image from an 8" lens be larger than the lens diameter?

  • arnoke
  • · Replies 15 ·
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15

Graduate Modeling particle bouncing and light reflection off rough surfaces

  • HP123
  • · Replies 2 ·
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2

Graduate How empty must a vacuum be for light to travel at c?

  • Crazymechanic
  • · Replies 29 ·
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29

Undergrad Absorption coefficient of aluminium for microwaves

  • Chromosom
  • · Replies 3 ·
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3

High School How to Create a Desktop Rainbow Experiment?

  • Kafter244
  • · Replies 5 ·
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5

Graduate Can a floating parabolic mirror focus CMBR to heat an object above background temperature?

  • AbhiNature
  • · Replies 4 ·
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4

Undergrad How Does Thin Film Thickness Affect Interference Patterns?

  • Gauss M.D.
  • · Replies 2 ·
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2

High School How Do Fiber Optic and Copper Cables Differ in Physics?

  • Grove1996
  • · Replies 1 ·
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1

Graduate What's the microwave S-parameter?

  • iScience
  • · Replies 6 ·
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6

Graduate Mie scattering for sphere with constant dipole moment

  • Gavroy
  • · Replies 5 ·
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5

Graduate Is light a wave or particle, and why does wavelength determine color?

  • DGonzo2015
  • · Replies 14 ·
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14

Graduate Is My Laser Truly Vertically Polarized?

  • nordmoon
  • · Replies 5 ·
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5

Graduate Collimating a white light beam

  • MG_xy
  • · Replies 1 ·
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1

Graduate Why does a complex refractive index in conductors make refraction angle approach π/2?

  • EmilyRuck
  • · Replies 10 ·
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10

Undergrad Does reflected display yellow appear as true yellow light?

  • webboffin
  • · Replies 20 ·
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20

Undergrad Do different wavelengths of light travel at different velocities?

  • Celeritas008
  • · Replies 7 ·
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7

Undergrad Definition of View Angle of Human Eye ?

  • genxium
  • · Replies 6 ·
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6

Undergrad Laser beam with 5 millimeter diameter

  • sml2010
  • · Replies 3 ·
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3

Undergrad Is mixed light the same as interfered light?

  • hsherwood68
  • · Replies 1 ·
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1

Graduate Out of Pure Light Matter is Created

  • slickjunt
  • · Replies 5 ·
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5

Undergrad What could cause a polarizer to not block 100% light?

  • iScience
  • · Replies 10 ·
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10

Graduate Polarizability if a molecule in raman scattering

  • Mr Boom
  • · Replies 2 ·
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2

Graduate Orders of Magnitude - From Quark to Superstring Theory

  • RobinsonUK
  • · Replies 3 ·
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3

Graduate Prooving pseudo-periodicity of diffracted field for gratings

  • spookyfw
  • · Replies 9 ·
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9

Graduate Phase retrieval problem for laser profile

  • dziech
  • · Replies 4 ·
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4

Undergrad Gold's index of refraction in micro-onde

  • zoe101
  • · Replies 4 ·
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4

Undergrad Does Stefan–Boltzmann law account for reflection?

  • sawer
  • · Replies 1 ·
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1

Undergrad Solving Optics Lens Problems: 2 Possibilities for Object Placement

  • oneplusone
  • · Replies 3 ·
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3

Graduate General equation for light intensity entering half circle

  • tylerscott
  • · Replies 6 ·
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6

High School What happens when a wave on a rope hits a fixed wall?

  • iScience
  • · Replies 2 ·
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2

Graduate Transmittance: Conflicting definitions?

  • SMc21
  • · Replies 1 ·
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1

Buy a Determinium Lens Online - What is It?

  • vee6
  • · Replies 7 ·
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7

Undergrad Engraving laser machine with a lens

  • sml2010
  • · Replies 3 ·
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3

High School Changing the color of an LED bulb

  • jeff88
  • · Replies 6 ·
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6

Graduate Can you create a laser sheet with only spherical lenses?

  • TerraForce469
  • · Replies 9 ·
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9

Graduate Optical rotation and linear basis set

  • galvin452
  • · Replies 5 ·
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5

Undergrad Choosing the Right Fresnel Lens for Automotive Headlamp Projection?

  • halcon_nuno
  • · Replies 1 ·
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1

Undergrad How do anti-reflective coatings increase light transmission through lenses?

  • gauss44
  • · Replies 11 ·
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11

Graduate Altering the speed of light, implications

  • xlovenuggetx
  • · Replies 8 ·
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8

Undergrad Why is dr/dθ perpendicular to the radius in polar coordinates?

  • Outrageous
  • · Replies 4 ·
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4

Undergrad Will high power laser penetrate mirror?

  • lemd
  • · Replies 11 ·
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11

Graduate Extremely energetic photon threshold

  • JasonWuzHear
  • · Replies 7 ·
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7

Graduate Do photons have mass experiment?

  • RobertsMrtn
  • · Replies 31 ·
2
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31

Undergrad Fiber optics assignment suggestions for second-year physics

  • tsuwal
  • · Replies 1 ·
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1

Graduate Relating absorbance wavelengths and refractive index

  • kajendiran56
  • · Replies 1 ·
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1

Undergrad How do mirrors create images despite scattered light?

  • ViolentCorpse
  • · Replies 4 ·
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4

Undergrad Building a laser as a school project

  • guitarphysics
  • · Replies 3 ·
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3

Graduate Transparency via destructive interferance.

  • mrspeedybob
  • · Replies 5 ·
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5

Graduate Camera Specifications computing focal length and f/#

  • thiirane
  • · Replies 3 ·
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3

Graduate Does a spinning magnet generate current in a homopolar setup?

  • atproofer
  • · Replies 3 ·
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3

Graduate Microscopic explanation for light reflection at material surfaces

  • tsopa
  • · Replies 1 ·
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1

Graduate Seeking recommendations for fiber laser mode-locking resources

  • test1234
  • · Replies 3 ·
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3

High School Is light strongest when it bends?

  • cybersteer
  • · Replies 5 ·
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5

Undergrad Color addition involving wavelengths

  • Vacrin
  • · Replies 25 ·
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25

Graduate Spectral radiancy curve of a black body

  • Ajit Agrawal
  • · Replies 15 ·
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15

Undergrad Why doesn't light interfere in a room?

  • johnqwertyful
  • · Replies 19 ·
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19

Graduate Simulating diffraction spikes from telescope spider vanes

  • halfelven
  • · Replies 7 ·
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7

Undergrad How Do Diffraction and Interference Affect Microscopes and Telescopes?

  • HNM
  • · Replies 3 ·
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3

Undergrad Sound wave vs light wave speed

  • silversurf
  • · Replies 10 ·
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10

High School Dependence of refractive index

  • nil1996
  • · Replies 4 ·
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4

High School Why does the moon appear larger at the horizon?

  • acesuv
  • · Replies 24 ·
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24

Undergrad What causes selective wavelength absorption at the atomic level in materials?

  • QuantumPadawan
  • · Replies 7 ·
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7

High School Why does light slow down in glass?

  • nil1996
  • · Replies 1 ·
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1

Undergrad Why do mechanical and sound waves have different phase shifts at rigid boundaries?

  • Vibhor
  • · Replies 1 ·
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1

Undergrad Veloctiy of image of a moving obect having constant veloctiy

  • spectrum123
  • · Replies 5 ·
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5

Graduate Photon polarization and direction

  • TeCNoYoTTa
  • · Replies 1 ·
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1

High School Preventing infinite reflections between parallel bathroom mirrors

  • adrian99
  • · Replies 7 ·
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7

Graduate Quantum interference with different polarization

  • gespex
  • · Replies 1 ·
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1

High School How can I see a cables from 55 miles away?

  • Annie Bynnol
  • · Replies 3 ·
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3

Undergrad Alpha ray scattering experiment

  • ananthu
  • · Replies 1 ·
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1