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High School How does white light combine different colors of the spectrum?

  • Johnahh
  • · Replies 5 ·
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5

High School Whats the principle of superposition

  • spock9000
  • · Replies 3 ·
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3

Undergrad Emission Spectra and the Rydberg Equation

  • osaki2
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2

High School Why does the size of an image in a plane mirror not change when drawn on paper?

  • Puneeth423
  • · Replies 2 ·
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2

Graduate Derivation of complex refractive index

  • OneMoreName
  • · Replies 2 ·
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2

Graduate Why Does Diffraction Treat Every Point on an Aperture as a Point Source?

  • HomogenousCow
  • · Replies 1 ·
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Graduate Is there direct evidence photons attract gravitationally?

  • ensabah6
  • · Replies 55 ·
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Undergrad What does an observer see when a real image forms on a concave mirror?

  • 0dontpanic0
  • · Replies 1 ·
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1

High School Snells Law - Problem understanding question

  • maybnxtseasn
  • · Replies 3 ·
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3

Undergrad Diffraction through a transparent aperture?

  • Gobil
  • · Replies 2 ·
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2

Undergrad Can the EM Spectrum Be Converted to Electricity Using Transformer Coils?

  • rimmini
  • · Replies 5 ·
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5

High School Why does refraction take place ?

  • ishansaksena
  • · Replies 7 ·
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7

High School Does a mirror's reflectivity limit how powerful a laser it can reflect?

  • pa5tabear
  • · Replies 20 ·
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20

High School How do photons reflect off surfaces at the atomic level?

  • 2sin54
  • · Replies 2 ·
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2

Graduate Light emission as wire rope breaks

  • David Snyder
  • · Replies 9 ·
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9

Undergrad Can light travel faster than the speed of 300,000,000m/s?

  • 98operate
  • · Replies 11 ·
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11

Undergrad Why do laser reflections between tilted mirrors form a parabola?

  • Gregory.gags
  • · Replies 1 ·
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1

Undergrad Range of a 1mW laser in atmosphere under inverse square law

  • Saibottomus
  • · Replies 8 ·
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8

Graduate Is it possible to have perfect white or mirrors?

  • LastTimelord
  • · Replies 11 ·
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11

Undergrad Can the human eye detect just a single photon?

  • jaydnul
  • · Replies 8 ·
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8

Undergrad Confusion about the speed of light

  • prane
  • · Replies 2 ·
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2

Undergrad Infrared Incandescence: How Hot Does It Need To Be?

  • ricardo7890
  • · Replies 2 ·
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2

Graduate Where does the waves energy go when destructive interference occurs?

  • gillwill
  • · Replies 15 ·
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15

Undergrad Are lasers capable of producing explosions ,or is that just fictional filler?

  • promeus
  • · Replies 9 ·
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9

High School How-to-DIY-a-Flat-Screen-Projector

  • jearl
  • · Replies 2 ·
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2

Undergrad Why doe glass get hot if the photons aren't absorbed?

  • RichyB
  • · Replies 2 ·
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2

Undergrad How do photons cause matter to move?

  • Eash
  • · Replies 1 ·
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1

Graduate Optical modulation transfer function of an image and its cutoff

  • chis54
  • · Replies 10 ·
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10

High School What will light energy converted to if wasted?

  • darrenliew96
  • · Replies 4 ·
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4

Graduate How Does Using Different Active Mediums Affect Laser Output?

  • Grimstone
  • · Replies 5 ·
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5

Undergrad Can a stable gas be ionized by concentrated light?

  • LastTimelord
  • · Replies 4 ·
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4

Undergrad Lens Formula Confusion: Convex Lens, Cartesian Sign Conv.

  • anigeo
  • · Replies 3 ·
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3

Graduate Transmitting Information faster than light?

  • butifarra
  • · Replies 9 ·
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9

Undergrad Optics - Spectacles lens Power Estimation

  • Kaycee92
  • · Replies 2 ·
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2

High School Is Light considered Matter? Questions on energy and states of matter.

  • Julligan
  • · Replies 5 ·
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5

Trillion FPS camera developed at MIT camera can 'watch' the movement of light

  • mesa
  • · Replies 21 ·
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21

Graduate Why TE waves can't propagate straight through waveguides

  • vig
  • · Replies 4 ·
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4

Undergrad The Reason for Total Internal Deflection

  • faiz4000
  • · Replies 2 ·
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High School Does image lateral inversion depend on object distance for convex and concave lenses?

  • canoluk2003
  • · Replies 3 ·
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Graduate Coherency matrix of partially polarized light incomplete?

  • Wox
  • · Replies 3 ·
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3

Undergrad Why can light travel at light speed if massive objects reach infinite mass first?

  • TimmyM
  • · Replies 6 ·
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Undergrad Sign convention for the mirror equation with concave and convex mirrors

  • Ezio3.1415
  • · Replies 10 ·
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10

Undergrad Can Light Exhibit the Same Interference Pattern as Water Waves?

  • Alvydas
  • · Replies 24 ·
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24

Undergrad Limits of information transfer through light and sound

  • nadhbv
  • · Replies 12 ·
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12

Graduate Single-slit diffraction intensity

  • uzy5o
  • · Replies 2 ·
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2

Graduate Why light does not travel in wires?

  • Artlav
  • · Replies 25 ·
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25

Undergrad How many photons reflect from a 10mW red laser beam?

  • Alvydas
  • · Replies 44 ·
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Graduate Turn off the Higg's field and travel at the speed of light?

  • shitij
  • · Replies 10 ·
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10

Undergrad What causes the streaks in a CT scan when a metal object is present?

  • fawk3s
  • · Replies 2 ·
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2

High School Why Does a Wet T-Shirt Appear Darker Than a Dry T-Shirt?

  • sirchick
  • · Replies 1 ·
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1

Graduate Real Height versus Perceived Height, of Objects at a Distance.

  • colinven
  • · Replies 5 ·
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5

Undergrad Understanding Energy Conservation in Laser Operation

  • deep4
  • · Replies 8 ·
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8

High School Why does the Earth's horizon appear distorted at ISS window edges?

  • Bandersnatch
  • · Replies 2 ·
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2

Undergrad Lines Appear When Staring at Bright Lights - What's the Explanation?

  • bigjohn45
  • · Replies 36 ·
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Undergrad Sun's light beam and diffraction grating

  • Alvydas
  • · Replies 47 ·
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Undergrad Infrared as watermark that can be detected by camera even in daylight

  • makovx
  • · Replies 1 ·
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Undergrad Are Polaroid headlights the solution to reducing night-time road accidents?

  • ananthu
  • · Replies 3 ·
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3

Undergrad Does sound frequency decrease as the wave loses energy to heat?

  • Pranav Jha
  • · Replies 25 ·
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25

Undergrad Frequency of Sound and Light waves

  • escalade17
  • · Replies 2 ·
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2

Undergrad Homopolar Motor Limiting factor angular velocity

  • expatiated
  • · Replies 1 ·
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1

Undergrad What exactly is the Ultraviolet Catastrophe?

  • JoshBuntu
  • · Replies 8 ·
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8

Undergrad Figuring out what image distance (lens and mirror) formula to use?

  • Clomo4star
  • · Replies 4 ·
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4

Undergrad Can reflections from a point source create a focused beam?

  • hl_world
  • · Replies 9 ·
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9

High School How do unpolarized sunglasses reduce brightness?

  • dan1
  • · Replies 3 ·
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3

High School Why can we see distant bright stars but not dim ones?

  • joeb1990
  • · Replies 1 ·
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1

High School Calculating the magnitude of displacement

  • microlab
  • · Replies 2 ·
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2

High School How does sun rays pass through the atmosphere layers?

  • josephcaritel
  • · Replies 3 ·
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3

High School Can a laser beam expand after passing through a focusing lens?

  • muffins321
  • · Replies 18 ·
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18

Undergrad Why do light form an interference pattern when passing through only one slit?

  • tastoon
  • · Replies 2 ·
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2

Undergrad Why do we treat light as single rays when extended objects emit light at all angles?

  • schaefera
  • · Replies 8 ·
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8

High School What causes the angular fringes in laser light pictures?

  • papernuke
  • · Replies 7 ·
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7

High School Why Is It Called the Lens Maker Equation?

  • thunderhadron
  • · Replies 2 ·
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2

Graduate Colors of thin layers of materials

  • jakobus
  • · Replies 8 ·
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8

High School Will light be trapped in a room full of mirrors?

  • PLYeo
  • · Replies 16 ·
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16

Undergrad High frequencies - dispersive and directional?

  • OJFord
  • · Replies 6 ·
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6

Graduate Dynamic light scattering laplace inversion

  • Steve Drake
  • · Replies 9 ·
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9

Undergrad Does it need light speed or not

  • HuaMin
  • · Replies 44 ·
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Graduate Xray refraction and UV refraction border?

  • Artlav
  • · Replies 1 ·
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1

Undergrad How can I expand my laser beam without using water?

  • muffins321
  • · Replies 14 ·
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14

Graduate What is Restrahlen effect and Restrahlen band?

  • AlKindi
  • · Replies 3 ·
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3

Graduate Fresnel's equation with complex n

  • Nick89
  • · Replies 5 ·
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5

Undergrad Can a spectrometer detect wind or water vapor?

  • aJacom
  • · Replies 12 ·
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12

Undergrad Questions about stepped leaders, streamers, and how lightning branches

  • Jeremy87
  • · Replies 3 ·
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3

Graduate How do reflection and refraction arise from electron interactions with light?

  • cryora
  • · Replies 2 ·
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2

High School Standard optical component symbols?

  • wotanub
  • · Replies 1 ·
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1

High School Does a lightning strike create an electromagnetic pulse?

  • MassiveEffect
  • · Replies 21 ·
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21

Graduate What makes photons so versatile compared to electrons and quarks?

  • Stu21
  • · Replies 15 ·
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15

High School Will, Red, Green and blue lasers wen crossed create the spectrum we crossed ?

  • JD1
  • · Replies 7 ·
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7

Undergrad Optics question-Materials for vacuum chamber viewing ports

  • ecnerwalc3321
  • · Replies 2 ·
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2

Graduate Light speed and cosmological constant

  • Stu21
  • · Replies 3 ·
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3

Graduate Degree of coherence of light from a red semiconductor laser

  • htg
  • · Replies 5 ·
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5

Undergrad Long vs Short light wavelength absorption

  • jumphigh
  • · Replies 3 ·
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3

Undergrad Why does blue light scatter more than violet in Rayleigh scattering?

  • thunderhadron
  • · Replies 2 ·
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2

Graduate Can Laser-Driven Logic Gates Function Like NOR Gates Using Diffraction Patterns?

  • OffTheRecord
  • · Replies 1 ·
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1

High School Optics/ the eye/ near, far-sightedness

  • Bengo
  • · Replies 2 ·
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2

Graduate What is the difference between real and virtual photons?

  • Ezio3.1415
  • · Replies 6 ·
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6

Undergrad Work done by friction and normal force on rolling cylinder with offset center of gravity

  • seshikanth
  • · Replies 2 ·
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2

What is more beneficial: light as a wave or light as a particle?

  • Apollonian
  • · Replies 4 ·
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4

Graduate Splitting a light beam into opposite circular polarizations?

  • jimgraber
  • · Replies 1 ·
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1

High School Does total internal reflection occur with all types of waves?

  • Drakkith
  • · Replies 4 ·
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4