Optics Forum

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Undergrad Speed of light : missing energy
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High School Why Aren't My New LED Headlights Working?
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1
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Polarizing radar waves with egg slicers
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16
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3K
Graduate The acceleration of mass using light
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9
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3K
High School Light Wavelengths: Causes & Frequency Explained
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Undergrad Recalling the Equation for Slit Width in a Double Slit Interference Experiment
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Undergrad How does the inverse square law apply to electromagnetic radiation?
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12
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Mysterious Tiny Spots in a Laser Spot
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5
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Undergrad Objective Back focal plane diameter
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3
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23K
High School Can light produce darkness and can noise procude quiteness 4
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10
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3K
Graduate Measuring components of circularly polarised light.
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1
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High School Is Light Considered a State of Matter?
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Undergrad Question About Hologram Property - Seeking Answers
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5
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Undergrad Diffraction & Interference: Investigating Wavelengths with Fresnel Biprism
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1
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7K
High School Polarizing Light: Uses in Science & Technology
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6
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Graduate Gravity Probe 2 Success: Lens Thirring Effect Explained
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6
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Undergrad If light has mass, and is a wave
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Undergrad Why can't sodium vapour lamp be used in spectrometer experiment
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5
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Undergrad Refractive Index: Methods for Determining Beyond Newton's Rings
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3
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Undergrad Wave Equation: A = A cos (kx - ωt), Meaning & Significance
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5
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7K
Graduate Mechanism of reflection at the atomic scale
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4
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6K
Undergrad Light velocity, wavelength, and frequency
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3
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3K
High School Why do distant reflections appear blurred for those who are short sighted?
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6
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Graduate Why Do Molecules Absorb Photons at Combined Frequencies v1 + v2?
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4
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Undergrad Solving Refraction Optics Puzzle for Color Project
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1
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High School Affordable Solar Cell for Sunblock Experiment | UV Light & Electricity
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7
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Graduate Young's Double Slit - Fringe Width
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1
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Graduate I need some help with this project (optics and lens design)
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2
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Undergrad Question about brewster's angle
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10
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12K
Undergrad Welcome to Coherent Wave Explanation
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10
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Graduate Single slit diffraction interference
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11K
Undergrad Does Light Bend in an Electro-Magnetic Field?
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3
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High School Metal inside a microwave oven -> ice?
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8
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4K
High School Relative Velocity of running towards a mirror
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8
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High School Y ICE doesnt melt when placed in microwave oven?
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11
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4K
Graduate Can a prism separate two different waveforms with the same spectrum?
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2
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High School Why is silver percieved as grey in colour?
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13
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7K
High School Is light a wave AND/OR a particle
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High School If light is a constant then gravity is also right?
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10
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3K
Graduate How Does Light Intensity Vary with Distance from an Incoherent Extended Source?
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Undergrad How Fast Do Forces Like Gravity and Magnetism Act Compared to Light?
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High School What gives objects their color?
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Undergrad Optical Phenomena with White Wine and Glass
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Undergrad 3d hologram in vacuum help ?
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High School Getting Started with Lens Design
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Undergrad Amount of light needed to capture images
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6
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4K
Graduate Interference between different mode of light
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5
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High School How Do Mirrors Create the Illusion of Depth?
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4
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Graduate Is the speed of light truly unattainable?
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Graduate Airy Disk Patterns: Quality Criteria
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Graduate Extinction/Absorption/Transmission spectra
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3
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Undergrad Why do we see 2 waves in interference instead of 3 or 4?
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High School Light passing through the normal of a surface
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Undergrad Imaging horizontally through the atmosphere
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High School Alternator which is light in weight
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Graduate Can Superposition Be Applied to a Single Charge in Different Dielectric Media?
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Undergrad Why do ripples appear to move backwards with a higher strobe frequency?
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Undergrad Monitoring and Stopping Radio Waves
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Graduate Red Shift and Blue Shift: Is It Possible?
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Undergrad Speed of light is set to be 299,792,458 m/s
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Undergrad How does LLoyd's mirror works?
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Graduate Cryogen-cooled x-ray tube anode
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Graduate What's the actually meaning of phase change?
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Graduate Faster than light Information Possible?
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Undergrad Light in a perfect reflective box
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High School Mirage is refraction phenomenon or total internal reflection phenomenon?
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1
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Undergrad Diffuse Reflection of InfraRed
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Undergrad Refraction and the apparent slowing down of light
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1
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High School Why does light travel so fast?
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Graduate Size and distance of different wavelengh photons?
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Undergrad In what medium do light, energy, and matter exist?
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High School Why is there a shine around the moon at night?
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High School How Can You Tell if Your Glasses Have High-Index Lenses?
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Undergrad Greenhouse effect (reflection vs transmission)
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3
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Undergrad Metal in Microwave Ovens: A Scientific Explanation
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9
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High School How can I prevent my LED lights from blowing out on my car?
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Undergrad Do Photons Have Mass or Not?
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Graduate Why is Glass Transparent to Photons?
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High School Understanding the Speed of Light in a Medium: Does it Really Slow Down?
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High School Which part of the light wave do we take? (quick question)
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Graduate Proof that the speed of light is constant?
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21K
Graduate Speed of light in a moving medium
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Undergrad Physics Faq clarifiaction - light duality
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Graduate Questions about lights contradicting properties
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3
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High School What is Intensity of Ray? Where to Get Info?
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2
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Undergrad Off-axis Explained: What it is & How it Contributes to Comatic Aberration
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High School Absorbtion and Reflection of Objects, question
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Undergrad How To Propogate Uncertainties (Angle of Incidence and Angle of Reflection)
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4
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High School Can the magnitude of vector be negative?
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Undergrad Absorbance of UV light by glass
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Undergrad How to change the polarization of the light
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2
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7K
Graduate Compton vs. Raman vs. Thomson Scattering
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Undergrad Dispersion/Refraction, but WHY?
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Graduate Do photons really have a gravitational field like matter?
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Graduate When Feynman describes scatterers
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Graduate Light speed Impossible Faster than lightProbable?
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5
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Undergrad Projector with the greatest projection angle
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4
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Graduate Modeling the flight of a frisbee
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4
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Undergrad Measuring the intensity of light
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4
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4K
Undergrad Why can't light go thru solids?
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