Optics Forum

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Graduate Optics Q : Diffraction Pattern from a Ronchi Ruling

  • 300072507
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Undergrad Light Intensity and Number of Photons

  • AirForceOne
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6

Graduate Is Dispersion Present in Expanding Cylindrical Waves of an Infinite Radiator?

  • thadman
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Undergrad Relationship between Refractive index and Inpedance

  • Plutoniummatt
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5

Graduate What is spin polarization and how does it define logic levels in spintronics?

  • faraznizamani
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Graduate Why is refracted intensity 50% at Brewster's angle with unpolarized light?

  • quietrain
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2

Undergrad Where does light get energy to accelerate leaving glass?

  • timharvey027
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6

High School Why Aren't My New LED Headlights Working?

  • darrylmcl
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1

Polarizing radar waves with egg slicers

  • jimgraber
  • · Replies 16 ·
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16

Graduate The acceleration of mass using light

  • myrhinobutt2
  • · Replies 9 ·
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9

High School What causes the difference in wavelengths of light?

  • Dancingkitty
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Undergrad Recalling the Equation for Slit Width in a Double Slit Interference Experiment

  • KBriggs
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2

Undergrad Does the inverse square law apply to electromagnetic radiation and photons?

  • disregardthat
  • · Replies 12 ·
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12

Tiny hexagonal spots visible inside a laser spot on a wall

  • YellowTaxi
  • · Replies 5 ·
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5

Undergrad Objective Back focal plane diameter

  • watertreader
  • · Replies 3 ·
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3

High School Can light produce darkness and can noise procude quiteness 4

  • TheOne123
  • · Replies 10 ·
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10

Graduate Measuring components of circularly polarised light.

  • quantumlolz
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1

High School Is Light Considered a State of Matter?

  • JAKE8US8Y
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13

Undergrad Why does shining light through a hologram project an image on a wall?

  • Ja4Coltrane
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5

Undergrad Does refraction in a Fresnel biprism change the laser wavelength?

  • v_pino
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High School What is plane polarized light used for?

  • harini_5
  • · Replies 6 ·
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6

Graduate What was the result of the Gravity Probe B mission?

  • narasimha640
  • · Replies 6 ·
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6

Undergrad If light has mass, and is a wave

  • DamonX
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2

Undergrad Why can't sodium vapour lamp be used in spectrometer experiment

  • harini_5
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5

Undergrad Refractive Index: Methods for Determining Beyond Newton's Rings

  • Berdi
  • · Replies 3 ·
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3

Undergrad Why does the wave equation change between sine and cosine forms?

  • quietrain
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5

Graduate How do reflection and emission differ at the atomic scale in metals?

  • tom421421
  • · Replies 4 ·
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4

Undergrad Light velocity, wavelength, and frequency

  • JDiorio
  • · Replies 3 ·
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3

High School Why does myopia appear in mirror reflections of distant objects?

  • p.tryon
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6

Graduate Why Do Molecules Absorb Photons at Combined Frequencies v1 + v2?

  • mikeph
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4

Undergrad Solving Refraction Optics Puzzle for Color Project

  • NZBen
  • · Replies 1 ·
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1

High School Do sunblock lotions reduce solar cell output?

  • derek50
  • · Replies 7 ·
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7

Graduate Young's Double Slit - Fringe Width

  • OJ-Hick
  • · Replies 1 ·
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1

Graduate Designing a lens to focus at 15mm film plane with 60mm focal length

  • Warsaw
  • · Replies 2 ·
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2

Undergrad Why is reflected light polarized at Brewster's angle?

  • kor
  • · Replies 10 ·
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10

Undergrad Welcome to Coherent Wave Explanation

  • Niles
  • · Replies 10 ·
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10

Graduate Single slit diffraction interference

  • quietrain
  • · Replies 10 ·
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10

Undergrad Does Light Bend in an Electro-Magnetic Field?

  • pixel01
  • · Replies 3 ·
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3

High School Metal inside a microwave oven -> ice?

  • imiyakawa
  • · Replies 8 ·
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High School Relative Velocity of running towards a mirror

  • Mech-Master
  • · Replies 8 ·
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8

High School Y ICE doesnt melt when placed in microwave oven?

  • sphyics
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11

Graduate Can a prism separate two different waveforms with the same spectrum?

  • stringbean
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High School Why is silver percieved as grey in colour?

  • Molydood
  • · Replies 13 ·
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13

High School Is light a wave AND/OR a particle

  • noname2020x
  • · Replies 1 ·
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High School If light is a constant then gravity is also right?

  • magpies
  • · Replies 10 ·
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10

Graduate How Does Light Intensity Vary with Distance from an Incoherent Extended Source?

  • reasonableman
  • · Replies 1 ·
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Undergrad How fast do gravity, magnetism, and nuclear forces propagate?

  • quasi426
  • · Replies 67 ·
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High School What gives objects their color?

  • Fuz
  • · Replies 16 ·
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Undergrad Optical Phenomena with White Wine and Glass

  • Belboz99
  • · Replies 14 ·
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14

Undergrad Creating 3D holograms in air with intersecting laser beams

  • khiat
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High School Getting Started with Lens Design

  • 0207
  • · Replies 4 ·
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4

Undergrad Amount of light needed to capture images

  • nitro
  • · Replies 6 ·
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6

Graduate Interference between different mode of light

  • watertreader
  • · Replies 5 ·
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5

High School How Do Mirrors Create the Illusion of Depth?

  • AL 321
  • · Replies 4 ·
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4

Graduate Is the speed of light truly unattainable?

  • Rubix
  • · Replies 17 ·
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17

Graduate Airy Disk Patterns: Quality Criteria

  • Somefantastik
  • · Replies 8 ·
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8

Graduate Extinction/Absorption/Transmission spectra

  • krindik
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3

Undergrad Why do we see 2 waves in interference instead of 3 or 4?

  • prashantgolu
  • · Replies 6 ·
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6

High School Light passing through the normal of a surface

  • zero_kilo
  • · Replies 6 ·
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Undergrad Imaging horizontally through the atmosphere

  • Loren Booda
  • · Replies 1 ·
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1

High School Alternator which is light in weight

  • darkprinz
  • · Replies 1 ·
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Graduate Can Superposition Be Applied to a Single Charge in Different Dielectric Media?

  • soupdejour
  • · Replies 3 ·
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3

Undergrad Why do ripples appear to move backwards with a higher strobe frequency?

  • nazz
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2

Undergrad Monitoring and Stopping Radio Waves

  • SharonMarie
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1

Graduate Red Shift and Blue Shift: Is It Possible?

  • BJRowlett
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Undergrad Speed of light is set to be 299,792,458 m/s

  • MaoIragorri
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5

Undergrad How does LLoyd's mirror works?

  • KFC
  • · Replies 4 ·
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4

Graduate Cryogen-cooled x-ray tube anode

  • ddemaio
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2

Graduate What's the actually meaning of phase change?

  • KFC
  • · Replies 1 ·
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1

Graduate Faster than light Information Possible?

  • bhornbuckle75
  • · Replies 20 ·
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Undergrad Does light in a perfectly reflective sealed box accumulate and cause pressure?

  • S1nG
  • · Replies 2 ·
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2

High School Is a mirage caused by refraction or total internal reflection?

  • magnetar
  • · Replies 1 ·
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Undergrad Diffuse reflection of infrared light around 850nm

  • idz
  • · Replies 1 ·
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1

Undergrad Refraction and the apparent slowing down of light

  • ajassat
  • · Replies 1 ·
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1

High School Why does light travel so fast?

  • questions4all
  • · Replies 28 ·
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28

Graduate Size and distance of different wavelengh photons?

  • crockman1
  • · Replies 10 ·
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10

Undergrad In what medium do light, energy, and matter exist?

  • Pattonias
  • · Replies 3 ·
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3

High School Why is there a shine around the moon at night?

  • octelcogopod
  • · Replies 1 ·
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1

High School How Can You Tell if Your Glasses Have High-Index Lenses?

  • driedupfish
  • · Replies 1 ·
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1

Undergrad Why does glass transmit short wavelengths but reflect long wavelengths?

  • klng
  • · Replies 3 ·
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3

Undergrad Why can you use a metal rack in a microwave if it doesn't touch the sides?

  • kashiark
  • · Replies 9 ·
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9

High School How can I prevent my LED lights from blowing out on my car?

  • darrylmcl
  • · Replies 3 ·
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3

Undergrad Do Photons Have Mass or Not?

  • FE 26
  • · Replies 2 ·
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2

Graduate Why is Glass Transparent to Photons?

  • hagopbul
  • · Replies 6 ·
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6

High School Does light really slow down in a medium or just bounce around?

  • lolgarithms
  • · Replies 9 ·
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9

High School How do electromagnetic waves combine into a single wave?

  • sameeralord
  • · Replies 5 ·
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5

Graduate Proof that the speed of light is constant?

  • Phalanx
  • · Replies 23 ·
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23

Graduate Speed of light in a moving medium

  • jobyts
  • · Replies 1 ·
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1

Undergrad Physics Faq clarifiaction - light duality

  • mjcguest
  • · Replies 2 ·
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Graduate Questions about lights contradicting properties

  • Pyro Ninja
  • · Replies 3 ·
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High School What is Intensity of Ray? Where to Get Info?

  • ATPenergy
  • · Replies 2 ·
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Undergrad What does off-axis mean and how does it cause coma?

  • roshan2004
  • · Replies 5 ·
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5

High School Why does an object reflect specific wavelengths of light?

  • cjahoda
  • · Replies 2 ·
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Undergrad Propagating uncertainty in trigonometric functions for angle measurements

  • fs93
  • · Replies 4 ·
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4

High School Can the magnitude of vector be negative?

  • Red_CCF
  • · Replies 4 ·
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Undergrad Absorbance of UV light by glass

  • N0b0dy
  • · Replies 2 ·
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Undergrad How to change the polarization of the light

  • chenhon5
  • · Replies 2 ·
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2

Graduate Compton vs. Raman vs. Thomson Scattering

  • lzkelley
  • · Replies 3 ·
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3

Undergrad Dispersion/Refraction, but WHY?

  • mjcguest
  • · Replies 13 ·
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13

Graduate Do photons really have a gravitational field like matter?

  • Zman
  • · Replies 1 ·
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1