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Undergrad Sources on energy scavenging from radio waves for A level project

  • technophile
  • · Replies 6 ·
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6

Graduate Why might light from distant galaxies not reach us?

  • Endervhar
  • · Replies 31 ·
2
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31

High School How does a linear accelerator produce X-rays?

  • Spacec0wboy
  • · Replies 1 ·
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1

High School Refraction Phenomenon: How Light Rays Travel in Straight Paths

  • sahil_time
  • · Replies 6 ·
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6

High School Why Does Light Travel Through Glass But Not Opaque Objects?

  • nickthrop101
  • · Replies 6 ·
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6

Graduate What are the dimensions of huygen wavelets

  • RedX
  • · Replies 2 ·
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2

Undergrad How does a prism affect wavelength?

  • caseytrimble
  • · Replies 5 ·
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5

Graduate Is an Oil Distribution System Necessary for Optimal Oil Immersion Microscopy?

  • cohkka
  • · Replies 4 ·
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4

Graduate How to calculate relative phase of reflected and transmitted plane waves

  • mathplease
  • · Replies 2 ·
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2

Undergrad Explanation of light refraction

  • fawk3s
  • · Replies 5 ·
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5

Undergrad How can glass reflect 100% of light like a mirror?

  • psgill93
  • · Replies 11 ·
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11

Undergrad How to verify a blue light filter removes 440-490 nm wavelengths

  • vande060
  • · Replies 5 ·
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5

Undergrad Sending Laser Light out of fiber optic in all directions

  • roadrunner123
  • · Replies 2 ·
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2

Undergrad Photoelectric Effect: Wave or Particle?

  • brainyman89
  • · Replies 7 ·
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7

Undergrad Optical Properties of Materials presentation

  • skyboarder2
  • · Replies 3 ·
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3

Graduate Why metals don't polarize reflected light like dielectrics do

  • peter.ell
  • · Replies 2 ·
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2

Undergrad Questions about superposition of two antennas

  • ffjonas
  • · Replies 31 ·
2
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31

Undergrad Microwaving Marshmallows and c

  • jds10011
  • · Replies 20 ·
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20

Undergrad Can anyone explain Fresnels equations to me ?

  • physics love
  • · Replies 1 ·
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1

Undergrad Diffraction of x-rays by crystals

  • sarah786
  • · Replies 5 ·
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5

Undergrad Multi Lens/Mirror problems and virtual real images

  • AriAstronomer
  • · Replies 3 ·
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3

High School Solving Light Bulb Interference Issues

  • Drakkith
  • · Replies 11 ·
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11

Graduate Laser ionization of air: radius and required power

  • machtzu
  • · Replies 2 ·
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2

Graduate Rayleigh Scattering: Modeling Light Intensity in Fluids

  • stxetx
  • · Replies 2 ·
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2

Undergrad Can Disappearing Spray Paint Solve Laser Scanning Issues on Shiny Headlights?

  • Ranger Mike
  • · Replies 6 ·
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6

High School How is white light made up of all the colours in visible light?

  • TheJoninator
  • · Replies 5 ·
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5

High School Logical Specs: Why Numbers are Blurry in Rear-View Mirrors

  • specs
  • · Replies 2 ·
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2

Undergrad Is it possible to permanently demagnitize metal?

  • joedango
  • · Replies 4 ·
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4

Graduate Why does diffraction require an opening smaller than the wavelength?

  • brainyman89
  • · Replies 22 ·
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22

High School Why is the sky blue on Earth but black in space, and how does light scatter?

  • humanbeing
  • · Replies 11 ·
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11

Undergrad If two wave of different amplitudes superpose at a point, would each

  • brainyman89
  • · Replies 3 ·
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3

Undergrad Is There a Disagreement on Wave Reflection in Different Sources?

  • azaharak
  • · Replies 2 ·
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2

Undergrad Pinhole Projector: How Many Photons, How Small a Hole for Shape?

  • mishima
  • · Replies 2 ·
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2

High School Can a hollow ball with inward-facing one-way mirror trap and collect light?

  • iKon
  • · Replies 22 ·
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22

Graduate Finding the circle of least confusion for a multi-element optical system

  • nevhuan
  • · Replies 2 ·
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2

High School Can Pulsing White Light Reveal Its Component Colors?

  • cragar
  • · Replies 3 ·
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3

Graduate Polarization of Photon after Compton Scattering

  • Martin Sjolin
  • · Replies 2 ·
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2

Graduate 3 Thought Experiments on Light: No Photons or Waves

  • timharvey027
  • · Replies 3 ·
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3

Graduate Doppler Effect: can light waves have different effects, depending on your speed?

  • The Head
  • · Replies 1 ·
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1

Graduate Can a magnetic flux travel through space without an electric component?

  • vector22
  • · Replies 10 ·
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10

Undergrad Identifying Virtual Objects: An Overview

  • phymatter
  • · Replies 1 ·
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1

Graduate Laser Incident to Surface Perpendicularly

  • yklin_tux
  • · Replies 5 ·
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5

Undergrad Real Image in a Concave Mirror: Virtual Object Analysis

  • phymatter
  • · Replies 1 ·
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1

Undergrad Huygens' Principle Explains Light Traveling in a Line

  • brainyman89
  • · Replies 1 ·
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1

Undergrad Diffraction is an evidence that light is wave

  • brainyman89
  • · Replies 2 ·
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2

Undergrad Linear Polarization: Active or Passive Element?

  • ProTerran
  • · Replies 3 ·
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3

High School Increasing Laser Tag Gun Range with Convex Lenses?

  • Biohazard4
  • · Replies 1 ·
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1

High School Voltmeter to Measure Light Intensity

  • GUDDU
  • · Replies 1 ·
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1

Undergrad Radio frequency creating light

  • rudolf141
  • · Replies 7 ·
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7

Graduate As the universe is expanding light from further away it goes towards

  • rollcast
  • · Replies 21 ·
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21

Undergrad Refraction of light and wavelength

  • siobhanbree
  • · Replies 1 ·
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1

Graduate How does refraction really work

  • peter.ell
  • · Replies 5 ·
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5

Undergrad What Is a Hyperbolic Structure in Conic Sections?

  • peter.ell
  • · Replies 1 ·
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1

Graduate Polarization by half-silvered mirror?

  • nickyrtr
  • · Replies 2 ·
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2

Undergrad Michelson Interferometer, circle fringes

  • Gab
  • · Replies 1 ·
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1

Undergrad Trouble understanding ray optics

  • AStaunton
  • · Replies 2 ·
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2

Undergrad Why does the sun's surface brightness remain constant from any distance?

  • AStaunton
  • · Replies 8 ·
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8

High School If Oxygen is flammable why dont we blow up while we were using a cigar lighter

  • uykusuz
  • · Replies 32 ·
2
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32

High School Lightning Rod Tip Radii: Why So Small?

  • amaresh92
  • · Replies 5 ·
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5

Undergrad Sodium street lamps and the light they emit

  • AStaunton
  • · Replies 1 ·
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1

High School Do atoms contain light?

  • bakenoor
  • · Replies 2 ·
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2

What Causes the Strange Effect on this Exit Sign?

  • fawk3s
  • · Replies 8 ·
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8

Graduate De borgie relation and photon energy

  • siromar
  • · Replies 4 ·
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4

Undergrad Does light travel at the speed of light?

  • jbar18
  • · Replies 6 ·
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6

Undergrad Why light bends when it enters a different medium

  • SprucerMoose
  • · Replies 3 ·
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3

High School Project light visibly on glass to create images?

  • AlbertRenshaw
  • · Replies 3 ·
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3

High School Question on a diffractive property of light

  • caseytrimble
  • · Replies 8 ·
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8

Undergrad Laser refraction through curved surface and water

  • bregazzi
  • · Replies 5 ·
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5

Undergrad Conservation of energy and light

  • Nelourir
  • · Replies 8 ·
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8

Undergrad How can I build an optics bench for a science exhibit?

  • nebulinda
  • · Replies 1 ·
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1

High School What is the Difference Between Diffraction and Interference?

  • Nemanja989
  • · Replies 6 ·
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6

Undergrad Why do radio waves pass through walls with weak refraction?

  • Martin18
  • · Replies 3 ·
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3

Graduate Information transmitted faster than light?

  • preen
  • · Replies 30 ·
2
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30

Graduate How Does the Jones Matrix Explain Light Polarization with Quarter Wave Plates?

  • yklin_tux
  • · Replies 3 ·
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3

Undergrad Longest practical focal length to focus sunlight from geostationary orbit

  • edpell
  • · Replies 1 ·
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1

Graduate Diffraction and phase difference

  • CINA
  • · Replies 2 ·
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2

High School [Optics] Starting a fire with a magnifying glass

  • Atrika
  • · Replies 10 ·
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10

Graduate Negative Energy Solutions to Photon Wavefunction

  • RoKo
  • · Replies 6 ·
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6

Undergrad Understanding Wood's Anomaly in Optics

  • jgrant333
  • · Replies 2 ·
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2

Graduate Is the speed of light always constant, even in non-vacuum environments?

  • mjacobsca
  • · Replies 5 ·
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5

Undergrad How is the speed of light constant?

  • nhmllr
  • · Replies 2 ·
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2

Graduate Uncertainty in the mesurements of a meter and the speed of light

  • tiredryan
  • · Replies 7 ·
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7

Undergrad Hyperfocal distance v. far-field

  • bigtrueba
  • · Replies 1 ·
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1

Graduate The nature of radio waves Question.

  • rchase
  • · Replies 1 ·
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1

Graduate What Are the Implications of Light's Speed on Perception and Knowledge?

  • kfh
  • · Replies 1 ·
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1

Graduate Is the Huygens principle incomplete when applied to real waves?

  • marts
  • · Replies 6 ·
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6

Graduate An Alternative Model of the Double Slit Interference Experiment

  • wmadden
  • · Replies 24 ·
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24

Undergrad Why do optical spectrum analyzers quote resolution in both wavelength and frequency?

  • cambridgejohn
  • · Replies 3 ·
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3

Undergrad Creative Optics Experiment Ideas for First-Year Physics Students

  • Synetos
  • · Replies 1 ·
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1

High School DIY strobe light with adjustable frequency not flashing

  • bengaliblurr7
  • · Replies 1 ·
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1

Undergrad Speed of light through a medium

  • renegade05
  • · Replies 4 ·
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4

Graduate How does a light-driven spinning metal sheet work without photon mass?

  • MNC007
  • · Replies 10 ·
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10

High School What is the difference between bandwidth and wavebands?

  • Pranav Jha
  • · Replies 5 ·
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5

High School Why does light reflect off a shiny surface?

  • Tom H
  • · Replies 5 ·
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5

Undergrad Intensity with distance of LED

  • InnealtóirLeTeacht
  • · Replies 1 ·
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1

Graduate Increase Laser Power out of fiber optic

  • roadrunner123
  • · Replies 3 ·
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3

Undergrad Laser beam expander for 3×3 m wall scanning at 50 m distance with rotating mirrors

  • moapz
  • · Replies 6 ·
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6

Graduate Understanding Optical Tunneling

  • cragar
  • · Replies 2 ·
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2

Undergrad Why does a heavier airsoft pellet travel farther with the same energy?

  • blackhawk
  • · Replies 13 ·
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13

Undergrad How to focus a shadow with the light source close to the object

  • nununo
  • · Replies 3 ·
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3