Optics Forum

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What Exerts a Force on a beam of Light?
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Understanding Phase Shift in Wave Light
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How does quantization of energy solve the ultraviolet catastrophe?
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Consider 2 dipoles separated by a distance of atleast 2 light minutes
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Wouldn't traveling at the speed of light implode the universe
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Speed of light should depend on the amplitude of the waveform?
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Will Light Bend When Reaching a Black Hole?
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Uncovering the Mystery of Constant Velocity
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Interference of Waves Lab: Teach Grade 12 Physics
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Light reflection by traffic light after rain
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Understanding Mix Polarization: A Primer for Beginners
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Does a Photon Have a Physical Size?
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Solving Antenna Polarization Issues with Ray Tracing
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Optics - why chromatic aberrations
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Amplitude change of light during refraction
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What color would a green cloth appear in yellow light
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Experimental Polarization Techniques
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Can a 10936B Card in an HP 5507 Rack Collect Position Data via HPBASIC?
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How do light bulbs really work
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How do you reconcile EM fields with frequency of light?
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Constructive and Destructive interference
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Laser Experiments at Home - Helium Neon 1mW
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[Q] The way of phase shifting of reflection light
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Help with Optics: UVA-340 Lighting & Transmissive Materials
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Gravity Lensing & Photons: Massless Interaction?
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6
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Light and Surfaces: What's the Story?
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Beam emergence from cylindrical lens
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Calculating the EM Field around a Moving Charge
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Interference Pattern w/ D ~ d: Qualitative Analysis
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Differential Cross-Section: What is it and Why Does it Matter?
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Force of gravity between photon and earth
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Optics Equation: What Assumptions Lead to n1f1=-n2f2?
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Lens can focus the light to a smaller spot by ?
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Prove how focus of a spherical mirror = Radius of curvature/2
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What Are the Latest Laser Cooling Techniques for Nd:YAG Lasers?
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6
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Angle Of Deviation - An Optics Problem, help needed in optics
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Why is visible light invisible?
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5
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Wave Polarization: Can EM Wave Be Circular & Horiz?
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Huygens-Fresnel principle and Diffraction
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How far does red light travel.
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Rutherford Scattering in Landau book
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Experimenting the Speed of Light with Optical Fibers
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Shadow Edge in Vacuum: Intensity & Wavelength
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Reflectance to Status A Density; How to convert?
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2
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Understand Cylindrical Lens Imaging & Refs
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Knowing the frequency of light
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4
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Exploring Flight Dynamics: Physics & Math for a Flight Simulator
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Does a Photon Change Speed When Hitting an Electron?
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Endless Light: A Look Into the Sphere of One Way Mirrors
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What is the process of photon emission in atoms?
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Light & Mirrors: What's Reflected & Absorbed?
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Why does Gravity affects Light?
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Optical/Observational Perspective Question
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6
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Why do light bulbs don't explode?
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17
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Would love some clarification with optics
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Question About Light and Nearsightedness
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10
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Optical light transmission through a coating
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Diffraction of water wave vs diffraction of light wave
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Understanding Optics: Exploring Polarization in Interferometers
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Do light waves change over distance within a vacuum?
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Judging distance of a light source
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Why Does a Projected Black Background Not Make a White Screen Look Black?
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Most Powerful Continuous Laser
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Gravity, Light & Movement: Exploring the Possibilities
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Diffraction grating for astronomy?
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Light Physics Basics: Questions & Answers for Beginners
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Light used to capture anti-matter
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The Mystery of Lightspeed: Exploring the Fundamental Speed of the Universe
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Understanding the Doppler Effect of Light: How Speed Impacts Color Perception
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Optimizing Lead Shielding for Gamma Radiation Protection
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Can we power a light bulb with positrons?
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How Does Light Interact with Different Media According to Quantum Mechanics?
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Does the concept of force apply to photons without a measurable mass?
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Why does total internal reflection happen in glass?
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Earnshaw's Theorem and a photon
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Optics, lenses, and light reflection
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How many materials follows TOTAL INTERNLAL REFLECTION
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Matter @ speed of light and e=mc^2
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Does speed of light also mean strength of light?
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What is a Diffraction Limited Spot in Fluorescent Molecule Imaging?
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(distance)(speed of light)^2 = speed of time with units
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Why can't we see the image in perpendicular light?
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Photon Guns: Is It Possible to Shoot One Photon at a Time?
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Understanding Path Difference in Convex Lenses
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Lighting up a fluorescent lamp with a Van De Graaf generator
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Exploring Photon Theory: Arguments for a Construct of Nature
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Why Is Huygens Construction Not Used for Double Slit Diffraction?
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Optics - combination of thin lenses
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One question about a photon and another about light
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Burning Bushes: The Science Behind Water Droplets and Fire Ignition
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How Does Energy Flow Differ from Light Propagation in Anisotropic Media?
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Is It Possible for Anything to Truly Move at the Speed of Light?
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Can we travel over light speed?
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Optical Ray Tracing - "Y N U" Method & Aperture Stops
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8
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Can an airplane land over another one both in flight?
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4
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Constant Light without a source?
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5
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Properties of Photons: Light Source, Observers & Gaps
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Understanding Light Slowing in a Medium
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3
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Can Lightning Travel Through a Vacuum?
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2
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Polarisation & LCDs: How Does Darkening On Turn On Work?
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2
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