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Undergrad Do plane waves split into both TE and TM modes in a waveguide?

  • pierce15
  • · Replies 5 ·
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5

High School Why do photons pass through particles with a delay

  • Evenus1
  • · Replies 6 ·
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6

Undergrad How does mirror reflectivity affect sunlight brightness?

  • Asamad
  • · Replies 2 ·
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2

Undergrad How do single and multimode fibers use total internal reflection?

  • TinaTina
  • · Replies 3 ·
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3

Graduate Stereoscopic Images and Distance Between Objects

  • Simcha
  • · Replies 2 ·
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2

Undergrad Why do two different methods give opposite resistances for series bulbs?

  • SFphysics101
  • · Replies 4 ·
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4

High School Angle of vision for a real image

  • javier meraz
  • · Replies 2 ·
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2

Graduate How does gamma photon ionization affect ion creation and wavelength?

  • Daniel Petka
  • · Replies 6 ·
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6

High School How do I convert from lux to candela?

  • mammou manel
  • · Replies 8 ·
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8

Undergrad Calcuating retinal irradiance from the sun

  • Stoyan Petkov
  • · Replies 21 ·
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21

Undergrad S vs. P polarization (classical EM)

  • pierce15
  • · Replies 4 ·
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4

Graduate Intensity of p-polarized light through stack of plates

  • sergiokapone
  • · Replies 1 ·
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1

Undergrad Rutherford scattering and momentum

  • Kajan thana
  • · Replies 1 ·
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1

Undergrad Generating light by using the energy from a yoyo

  • hnbgm
  • · Replies 4 ·
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4

Graduate Constant frequency of light and connection to QM

  • Medtner
  • · Replies 3 ·
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3

High School The Invisible Beauty of Evening Primrose

  • AryaUnderfoot
  • · Replies 7 ·
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7

Undergrad Dispersion: expansion of wavenumber as function of omega

  • EmilyRuck
  • · Replies 3 ·
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3

Graduate Optical system with a medium different from air

  • Frank-95
  • · Replies 1 ·
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1

Graduate Rotate only H-Pol Component of Light beam by 90 degrees

  • Swamp Thing
  • · Replies 11 ·
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11

Undergrad Why can I see the ISS from 250 km away but not planes at 80 km?

  • Phlogiston
  • · Replies 6 ·
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6

Undergrad Off-angle irradiance from Radiant Intensity

  • SunThief
  • · Replies 7 ·
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7

High School Adding two waves with different amplitudes

  • Zahidur
  • · Replies 2 ·
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2

High School Is there such a one-way mirror?

  • Luis Erick Coy
  • · Replies 6 ·
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6

Undergrad Atmospheric Photolysis and its relation to Absorption Cross Section

  • EMH121
  • · Replies 6 ·
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6

Graduate Compensate for non-point source irradiance losses on surface

  • SunThief
  • · Replies 11 ·
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11

Undergrad Setting up a circuit to drive a Laser Diode

  • MxwllsPersuasns
  • · Replies 3 ·
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3

Undergrad A question on dispersion of Prism

  • Tspirit
  • · Replies 7 ·
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7

High School Why are rainbows curved instead of straight?

  • simon willetts
  • · Replies 8 ·
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8

Undergrad External focus in an optical system

  • nordmoon
  • · Replies 11 ·
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11

Undergrad Why is the angle of the sine set equal to nπ in superposition?

  • Neon32
  • · Replies 6 ·
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6

Undergrad Optics Research: Focus Light to <5mm, Cheap Lens Solutions

  • TLU SPS
  • · Replies 2 ·
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2

Undergrad Apply Fermat's principle to a Concave mirror

  • KT KIM
  • · Replies 1 ·
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1

Undergrad Is the Photon Riding on an Electromagnetic Wave?

  • amateurphysiker
  • · Replies 4 ·
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4

High School Can Fringes Exist with Sine Value Greater Than 1 in Young's Double Slit Formula?

  • terryds
  • · Replies 8 ·
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8

Undergrad How much intensity is lost in total internal reflection?

  • tade
  • · Replies 14 ·
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14

Undergrad Plano convex lenses and focal length

  • physics user1
  • · Replies 7 ·
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7

Undergrad Can a laser be effective in a sandstorm or through ash?

  • Shark1j
  • · Replies 4 ·
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4

Undergrad Why can you solve system of lenses combining the effects?

  • physics user1
  • · Replies 1 ·
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1

High School Does a mirror reflection have mass?

  • Cubicks
  • · Replies 5 ·
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5

Graduate What if the speed of light were not constant?

  • LogicobraElphfaVolf
  • · Replies 3 ·
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3

Graduate Do EM waves affect electrons smoothly or are quantum effects noticeable?

  • Xilor
  • · Replies 20 ·
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20

Undergrad Why Does X-Ray Scatter at Angle 2dsinθ?

  • anachin6000
  • · Replies 5 ·
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5

Graduate Significance of terms of acceleration in polar coordinates

  • Mind----Blown
  • · Replies 3 ·
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3

Undergrad Fraunhofer Lines: Outdoor Photo Through Bandpass Filter

  • pyroartist
  • · Replies 2 ·
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2

Undergrad Designing a planocovex PMMA lens

  • Antraxius
  • · Replies 3 ·
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3

Undergrad Understanding laser power terminology

  • pyroartist
  • · Replies 9 ·
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9

Undergrad How do sharp ended lightning rods reduce the probability of lightning strikes?

  • ChessEnthusiast
  • · Replies 13 ·
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13

Graduate Refraction of IR "light" in CCD sensors SiO2 layer

  • Balint Kovats
  • · Replies 9 ·
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9

Undergrad Is lead salvaged from hospital x-ray shielding safe?

  • John Covert
  • · Replies 4 ·
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4

Graduate Why there isn't a scattered photon in the Pe effect?

  • Conductivity
  • · Replies 6 ·
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6

Undergrad Is perspective distortion mathematically modeled?

  • chastiell
  • · Replies 12 ·
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12

Undergrad Is the Acousto-Optic Effect correlated to wavelength/colour?

  • ThunderLight
  • · Replies 5 ·
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5

Graduate Can group velocity exceed light speed without violating relativity?

  • ThunderLight
  • · Replies 2 ·
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2

Graduate Extreme focus of a radially polarized beam

  • Pakano
  • · Replies 5 ·
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5

Undergrad Polarizers and Analyzers in optics

  • Ian Baughman
  • · Replies 1 ·
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1

Undergrad Light travels only in one direction material?

  • jms4
  • · Replies 15 ·
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15

Graduate Where does the extra 267 J come from in an incandescent bulb?

  • Vector1962
  • · Replies 34 ·
2
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34

Graduate Why do concerts not impact the way we see light?

  • ThunderLight
  • · Replies 10 ·
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10

High School Wavelength, Path Difference, Phase Difference

  • Theudius
  • · Replies 14 ·
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14

Undergrad Thin film interference - why thin, exactly?

  • FranzDiCoccio
  • · Replies 8 ·
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8

High School What is the difference between single-mode and multimode lasers?

  • lcr2139
  • · Replies 1 ·
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1

High School Why does a red strawberry look different under blue light from a prism?

  • revv
  • · Replies 6 ·
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6

Graduate Why is the speed of light constant for all observers?

  • matt4584
  • · Replies 3 ·
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3

High School Red laser erases on glow in the dark surfaces?

  • Daniel Petka
  • · Replies 14 ·
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14

Graduate IR blocking nano coating on solar reflectors for greenhouse PAR reflection

  • shane2
  • · Replies 7 ·
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7

Graduate Thin lens approximation and Apparent depth

  • Biker
  • · Replies 20 ·
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20

Graduate Is light speed limit an artifact of the math of measurement

  • Scott444
  • · Replies 10 ·
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10

Graduate Relative Humidity (RH) affecting atmospheric attenuation of light?

  • sistruguru
  • · Replies 6 ·
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6

Undergrad Software for laser simulations

  • Alinor
  • · Replies 2 ·
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2

Undergrad Can any object withstand the power of light?

  • Daniel Petka
  • · Replies 12 ·
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12

Graduate What Drives Photon Movement in Laser Physics?

  • whiteknight
  • · Replies 2 ·
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2

High School Can destructive interference cause energy loss and how can it be regained?

  • Daniel Petka
  • · Replies 6 ·
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6

Graduate Can a space vessel generate its own photon wind?

  • EnumaElish
  • · Replies 26 ·
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26

Graduate Can a photon's energy be so high that it creates a black hole?

  • Dragonfall
  • · Replies 4 ·
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4

Graduate Special Relativity/Energy/Photon Question

  • orangepeelsnice
  • · Replies 11 ·
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11

Graduate Can Light Pressure Energy Influence Momentum and the Doppler Effect?

  • Daniel Petka
  • · Replies 2 ·
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2

Undergrad What does polarization actually mean?

  • sheld
  • · Replies 4 ·
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4

Graduate Microwave susceptors are suppressed in viscoelastic mediums

  • RMN
  • · Replies 1 ·
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1

Undergrad Torque applied on a lighting column

  • aon3t
  • · Replies 5 ·
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5

High School Could reflected sunlight from a bottle travel 73 miles?

  • Skeptic Tom
  • · Replies 15 ·
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15

Graduate What emits the s-polarized oscillations in the reflected beam at Brewster's angle?

  • Glenn G
  • · Replies 7 ·
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7

Graduate Does Light Refraction in Water Lead to Ultraviolet Emission at Extreme Depths?

  • Sirfrijole
  • · Replies 12 ·
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12

High School Why does EM wave phase shift by 180° when reflecting from a denser medium?

  • sheld
  • · Replies 6 ·
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6

Graduate Why can head-mounted displays project virtual images at infinity but car HUDs cannot?

  • nikosb
  • · Replies 11 ·
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11

High School How are Virtual Images Formed and Why Do Definitions Matter?

  • Fiona Rozario
  • · Replies 15 ·
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15

Graduate Virtual image size/distance in an OAP mirror

  • Skypuppet
  • · Replies 4 ·
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4

Undergrad What happens to intensity during light interference?

  • PiyushA
  • · Replies 1 ·
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1

Undergrad Increasing solar energy conversion efficiency

  • Ingrid Eldevj
  • · Replies 19 ·
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19

High School Does light contain kinetic energy?

  • Ingrid Eldevj
  • · Replies 10 ·
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10

Undergrad Does Scattering Involve Absorption

  • Abid Rizvi
  • · Replies 2 ·
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2

Undergrad Does time exist for objects traveling faster than light?

  • universalidea
  • · Replies 17 ·
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17

Undergrad What is the Equation on My T-Shirt?

  • DelfinDelfin
  • · Replies 9 ·
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9

High School Why is light acting wavelike ?

  • meyol99
  • · Replies 4 ·
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4

High School Why does light move slower in a more dense medium?

  • instantresults
  • · Replies 16 ·
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16

Graduate Why subsidary maximum has lower intensity physically in single-slit diffraction?

  • Arup Biswas
  • · Replies 3 ·
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3

Undergrad Can the Doppler Effect Cause Changes in Radio Wave Frequency?

  • shihab-kol
  • · Replies 4 ·
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4

Graduate Why does Rayleigh scattering attenuation appear linear instead of exponential?

  • fpsulli3
  • · Replies 2 ·
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2

High School What are the properties of a wave?

  • Arup Biswas
  • · Replies 7 ·
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7

High School Color Dependence of Angular Resolution

  • Tom MS
  • · Replies 2 ·
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2

High School Why heavy cars take more time than lighter cars to stop?

  • Mohamed Essam
  • · Replies 34 ·
2
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34