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Graduate Is the range of a laser beam limited by the width of its wave packet?
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Graduate Common interpretation of coherence
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Undergrad Understanding the Movement of Light: Wave Theory vs. Particle Theory
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Graduate Fermat's principle seems indefinite
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High School Photon question -- is it a particle?
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Undergrad Project sharp shadows from LED
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Graduate Derivative of Axial Resolution from Rayleigh's Limit
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Undergrad Sharpeness of shadows as evidence for light motion
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Undergrad Help to find a simple setup for optical surface topography
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Undergrad Newton's Rings using refractive index of water
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Graduate Cross Phase Modulation in Optical Fibers (Fiber Optics)
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High School Is it Possible for Light to Go Around a Planet?
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Undergrad Does reflection accompany refraction in Snell's law?
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Undergrad Light bulb in a microvawe oven
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Undergrad Laser vs Metal: Elimination of Matter in Blasting Holes
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Undergrad Is Energy Conserved When an Atom Emits a Photon?
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Graduate How Does Total Internal Reflection Occur in Salt Solutions?
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Graduate Diffraction pattern for large number of particles
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Undergrad Is it possible to create light?
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Graduate Q: Calculate average length of photon path: emit->absorb
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Undergrad Understanding Wave Reflection on a Fixed Boundary
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Graduate Photon excitation to full orbitals
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High School Can Light Bounce Forever in a Vacuum Bulb?
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Undergrad Speed around earth for constant day light
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High School Why does my food go boom in the microwave?
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Undergrad Light's Color Change in Different Media
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Undergrad Comparing Chromatic Aberration Quantitatively?
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Graduate Wave reflection and refraction, relations between angles
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High School Why is clear glass see-through but not completely invisible?
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Undergrad Refraction as an explanation for light curvature
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Undergrad Help with UV Light: Calculate Radiation Energy
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Graduate Constant intensity maxima in double-slit interference ?
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High School Young's Interference experiment
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Graduate Using lasers to create a luminous spot in transparent medium
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Undergrad Why Aren't Laser Beams Bent More When Measuring the Moon's Distance?
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Undergrad 'Diffraction' or 'Interference' gratings ?
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Undergrad Amount of single photons to make white light?
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Graduate 2 slits : diffraction always "enveloppe" of interference ?
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Undergrad Converting Red Light Spectrum to Blue
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Undergrad Understanding Light Absorption in Glass: Impact on Laser Beam Penetration
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Graduate How Does Gravity Influence the Momentum of Light?
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Graduate Does the Equation E=mc² Apply to Photons?
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Undergrad Need Aspherical Lens Equation (+20d, 55mm)
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Graduate Evanescent light waves, energy flow and tunneling
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Undergrad Refraction Formula For Thin Lens
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High School Very basic convergence lens question
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Undergrad Diffraction and Wavelength Dependency
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Undergrad Light travelling on curved surface
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Undergrad What allows certain wavelengths to pass through walls ?
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High School What happens to projected light after the source stops
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Graduate 2 layers of birefringent crystal, how many rays?
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Undergrad Energy of the summation of two sinusoidal waves
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Undergrad Which Value to Use: % Discrepancy or Standard Deviation?
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Graduate Can two perfect point monochromatic sources be incoherent?
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Graduate Why Do Aerial Images of Earth Appear Blue Despite Equal RGB Scattering?
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Undergrad Why orange color is visible with blue LED?
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Graduate How a very short λ enable light, not obliterate all shadow? (diffraction)
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Graduate Why is the (maximum) speed of light the number it is?
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Graduate A way to plastically flip a circular polariser?
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Graduate Can Fiber Optic Cables Create Coherent Light Circuits?
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Undergrad What are localised and non localised fringes?
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Graduate What is the best laser for replicating this experiment?
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Undergrad Geometrical Optics: Image Position with No Principal Axis
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High School How quickly does light turn on once you've hit the switch?
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Graduate Calculate the desired incident polarization of a light beam
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Graduate What is this version of the wave equation?
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Undergrad Photons passing through transparent material
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Undergrad Why is unpolarized light halved in intensity when polarized?
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Undergrad Laser that doesn't have a resonator?
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Undergrad Calculating Energy Requirements for UV Light Penetration?
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Undergrad The Relationship Between Lens Thickness and Light Convergence/Divergence
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Graduate Can Fraunhofer Single Slit formula be used in this case?
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Graduate Does light have a pressure wave
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Graduate Can Tachyons Travel Faster Than the Speed of Light and Alter the Future?
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Undergrad Is Pluto's Visible Light Intensity Equal to Earth's?
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High School Color of sky based on atmosphere density
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High School Why are images formed when rays intersect?
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High School Why Is There a Black Line Moving Across the Screen?
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High School Magnitud VS. Component of a vector
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Graduate Fresnel Diffraction through a straight edge
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Undergrad Is Sight a 3D Illusion Created by 2D Perception?
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Graduate Snell's law for an interface with variable refractive index
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Undergrad How to Calculate Light Emitted from an LED Screen
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Undergrad Trouble Understanding Light: Seeking Help
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High School Question about reflecting light off a mirror
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Undergrad Possible non-burning visible beam mock-up?
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Graduate Light waves with 0 amplitude due to extreme red shift?
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Graduate How reflection and refraction of light are expressed at the particle level?
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Undergrad Do Photons Move Slower in a Solid Medium? - Comments
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Undergrad About wavefronts/wavelets and the formation of plane waves
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Graduate Destructive interference and energy
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Graduate Birefringence deviation angle?
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High School About atmosphere light absorbtion
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Undergrad Wave Number (k) 2pi/lambda = Radians /Unit Distance ?
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Undergrad Light Polarization Reflected from Parabolic Mirror
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Graduate Reflection and refraction: the same thing at the atomic level?
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High School Is the speed of light constant?
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Undergrad When is a Numerical Aperture considered High?
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High School Thick convex mirror or a thin one for the anti-theft mirror?
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Undergrad Slit sizes needed for light diffraction
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