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Graduate HiWhen the concept of polarization is introduced, it is usually

  • Niles
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Undergrad Would space lightning last longer then earth lighting?

  • clearwater304
  • · Replies 21 ·
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21

Graduate Fresnel equations, transmission higher than one?

  • nopacman
  • · Replies 9 ·
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9

Undergrad Which is better for concentrating sunlight ?

  • anjanamurthy
  • · Replies 4 ·
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4

High School How can microwaves melt metal?

  • Mk
  • · Replies 24 ·
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24

Undergrad How do radio waves encode digital information as 1s and 0s?

  • ctapobep
  • · Replies 1 ·
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1

High School Why does the ionosphere reflect short radio waves at 25-30 MHz?

  • ctapobep
  • · Replies 5 ·
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5

Undergrad Light passing through a lens diffraction phenomenon

  • cks
  • · Replies 8 ·
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8

Graduate How do reflection and refraction work at the atomic level?

  • Aidyan
  • · Replies 3 ·
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3

Graduate Deducing the film thickness of this ques below:

  • iCENA
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1

High School Fix Headlight Problem on 2008 VW Rabbit

  • attodd
  • · Replies 3 ·
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3

Graduate Problems Collimating 1550nm light

  • djhon
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2

High School Why does reflected sunlight decrease solar cell output?

  • jhermann
  • · Replies 16 ·
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16

Graduate Can light be both particle and wave at the same time?

  • eextreme
  • · Replies 9 ·
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9

Graduate How periodic structures couple evanescent waves to propagating modes

  • Karthiksrao
  • · Replies 1 ·
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1

Undergrad Why Does Wavelength Affect Sound Diffraction Around Obstacles?

  • Misr
  • · Replies 5 ·
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5

Graduate What is the reason for the equality of gain and losses in CW lasers?

  • Niles
  • · Replies 44 ·
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44

Undergrad Amplitude - photon correspondence

  • ComputerPsi
  • · Replies 4 ·
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4

Graduate Earth/Moon trip with slow light

  • PatrickPowers
  • · Replies 4 ·
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4

Graduate Phase shift of π rad in light reflected from a denser medium

  • Zolo
  • · Replies 2 ·
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2

High School Why do mirrors form images but rough surfaces don't?

  • san203
  • · Replies 4 ·
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4

Graduate Applying directed energy to photons

  • Xilor
  • · Replies 2 ·
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2

Graduate Constant in Modes of Optical Fiber

  • taimoortalpur
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2

Graduate Absorbtion of light- a dillema

  • sorax123
  • · Replies 5 ·
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5

Undergrad CERN's OPERA Experiment: Measuring Faster-Than-Light Speed

  • halli
  • · Replies 1 ·
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1

Graduate Jones vector of circularly polarized light

  • aftershock
  • · Replies 1 ·
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1

High School Do Luminous Objects Create Light?

  • rollcast
  • · Replies 3 ·
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3

Graduate Laser - Einstein's Coefficients

  • cupid.callin
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4

Graduate Speed of Light: Is it An Assumption or Empirically Demonstrated?

  • revo74
  • · Replies 4 ·
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4

Undergrad What does a 500-μJ, 12.5-kHz pump laser specification tell about power?

  • vivek.iitd
  • · Replies 9 ·
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9

Graduate Removing speckle in Nd:YAG laser

  • endmile
  • · Replies 7 ·
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7

High School Curvature to mirror and focus light?

  • Thundagere
  • · Replies 47 ·
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47

High School Why do you see a reflection in glass if total internal reflection is impossible?

  • ilipad
  • · Replies 7 ·
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7

Graduate GRIN lenses vs aspheric convex lenses for laser beam collimation

  • fsonnichsen
  • · Replies 2 ·
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2

Graduate What Is the Real-Time Position of the Sun in the Sky?

  • Duplex
  • · Replies 51 ·
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51

Have You Experienced This Visual Phenomena with Oil Droplets?

  • pokk
  • · Replies 6 ·
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6

Undergrad How does polarisation affect a lit candle near a Van de Graaff Generator?

  • oem7110
  • · Replies 7 ·
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7

Graduate Rayleigh Scattering and Density

  • Vaal
  • · Replies 7 ·
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7

Undergrad Concave Lens _ Image Formation

  • -Castiel-
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7

Undergrad Diffraction of blue and red light on a prism

  • khondowe
  • · Replies 3 ·
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3

High School Wavelength and working range of infrared waves

  • kowshikd7
  • · Replies 7 ·
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7

Undergrad Can a Body Exceed 3/4 Speed of Light in Water?

  • Manula
  • · Replies 5 ·
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5

High School Why can we hear better at night than during the day?

  • Misty D
  • · Replies 1 ·
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1

High School Is It Safer to Stay in Water or on Land During a Lightning Strike at the Beach?

  • vivesdn
  • · Replies 31 ·
2
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31

High School Using phones when its lighting and thundering

  • RAJ917
  • · Replies 9 ·
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9

Undergrad Not satisfied with the explanation for refraction I have got

  • whyee
  • · Replies 1 ·
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1

High School Does a Spherical Lighting Rod Provide Better Protection Than a Long Rod?

  • zhen
  • · Replies 11 ·
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11

Undergrad Relationship between density and refractive index of a medium

  • Thinker8921
  • · Replies 1 ·
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1

Undergrad How can light be detectable everywhere?

  • Mario Lanza
  • · Replies 31 ·
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31

Graduate Why use multiple laser beams instead of mirrors in atomic cooling

  • xts
  • · Replies 3 ·
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3

Undergrad Focusing on a small image from a short distance

  • musiq021
  • · Replies 8 ·
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8

High School Why is fringe width in Young's double slit experiment λD/d?

  • oupi
  • · Replies 1 ·
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Undergrad Crazy thing happens when I play with my laser

  • beholderseye
  • · Replies 8 ·
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8

Undergrad Linear Polarization: Magnetic Field Effects

  • khondowe
  • · Replies 2 ·
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2

Undergrad Wave interference and superposition

  • oupi
  • · Replies 1 ·
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Graduate Ideal optical collimation system

  • frankqt
  • · Replies 2 ·
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2

High School Sources of error measuring refractive index with optical pins and a glass prism

  • atom123
  • · Replies 1 ·
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High School What is the normal in reflection and refraction?

  • atom123
  • · Replies 2 ·
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2

High School Can I Increase Power of Disco Light Lamp?

  • Dj_Avy
  • · Replies 5 ·
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5

Undergrad Light through a dense material

  • thehangedman
  • · Replies 3 ·
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3

Graduate Fresnel equations at normal incidence

  • brianpile
  • · Replies 5 ·
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5

Graduate Practical implementation of focused UV laser

  • Mike_In_Plano
  • · Replies 2 ·
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2

Graduate Understanding Gaussian Beam Contraction and Divergence in Optics

  • zebanaqvi
  • · Replies 3 ·
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3

Undergrad Laser beams and beat frequency.

  • Bill E
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2

High School Does light travel in a straight line trough air?

  • Jarfi
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5

Graduate Effect of apperture diffraction and fourier plane

  • taimoortalpur
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Graduate TE / TM polarization of a Laser Diode

  • Samu
  • · Replies 2 ·
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2

Undergrad Effective Focal Length of Multiple Lenses

  • RWard29
  • · Replies 1 ·
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High School What is the origin of the strange shadow in a laser beam?

  • paul-g
  • · Replies 1 ·
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1

Undergrad Seeing red/green/violet lines around an object

  • JT73
  • · Replies 4 ·
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Graduate Prism Design to Filter Out Infrared Light

  • Yachtsman
  • · Replies 3 ·
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3

Undergrad Does greater light intensity imply greater energy?

  • navalava
  • · Replies 1 ·
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1

Graduate Unpolarising Light: Can You 'Rescatter' the E and B Fields?

  • KingBigness
  • · Replies 3 ·
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3

Undergrad What is the formula for the angle of deviation in a thin prism?

  • Misr
  • · Replies 42 ·
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Graduate Different expressions for the polarization

  • Niles
  • · Replies 6 ·
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6

Undergrad About wave interference

  • oupi
  • · Replies 2 ·
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2

Graduate Applicability of Kramer Kronig relation in the context of normal dispersion

  • skmaidulhaque
  • · Replies 3 ·
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3

Graduate CPC and Fresnel Lenses for Solar Cell Power

  • Yachtsman
  • · Replies 5 ·
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5

Graduate Angular distribution of diffusely scattered light

  • Daniiel
  • · Replies 4 ·
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4

Undergrad Can you change the wavelength of light without disorting its path?

  • Jarfi
  • · Replies 4 ·
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4

Undergrad Why do identical monochromatic sources have different intensities?

  • Ippolitos
  • · Replies 8 ·
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8

High School Optics question. Given Diameter and object distance find image distance.

  • mfreeman91
  • · Replies 1 ·
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1

Graduate Why Is a Complex Index of Refraction Necessary?

  • dimensionless
  • · Replies 3 ·
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3

High School Convergin and divergent lens, rare situations

  • Marketo
  • · Replies 1 ·
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1

Graduate Derivation of Young's double slit formula problem

  • deadonce
  • · Replies 5 ·
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5

Undergrad Can hydrogen emit a photon while ionizing from a 20eV photon?

  • ChowPuppy
  • · Replies 1 ·
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1

Graduate General rule of resolution of optical systems

  • Marketo
  • · Replies 1 ·
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1

Graduate Index of refraction for LCP/RCP light

  • aim1732
  • · Replies 2 ·
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2

High School Is during lightning clouds losses some its mass?

  • joyever
  • · Replies 16 ·
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16

Graduate Faster than light information transfer

  • 1mmorta1
  • · Replies 40 ·
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40

Undergrad Slowing down the speed of light in a medium

  • Mukilab
  • · Replies 5 ·
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5

Graduate Why does reflection cause a π phase shift at higher refractive index?

  • McLaren Rulez
  • · Replies 6 ·
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6

Undergrad Why is Glass Opaque to IR and UV, But Not Visible Light?

  • peter.ell
  • · Replies 12 ·
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12

Undergrad Diffraction Through a Sub-Wavelength Sized Slit?

  • peter.ell
  • · Replies 2 ·
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2

Undergrad Light waves are one half kinetic and one half potential energy

  • liometopum
  • · Replies 33 ·
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33

Undergrad Hypothetical situation, what is seen before light arrives?

  • zanthal
  • · Replies 2 ·
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Undergrad Can an image form when an object is at the focal point of a convex lens?

  • Yh Hoo
  • · Replies 13 ·
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High School Why is a rainbow always an arc?

  • Himal kharel
  • · Replies 15 ·
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Undergrad Calculate focused spot size - Gaussian FWHM

  • eliasds
  • · Replies 2 ·
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Undergrad Lightbulbs flicker due to AC. Why does this not show up in photographs?

  • quozzy
  • · Replies 5 ·
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5