Refractions

Topic Page

Questions

• Is the angle of refraction measured from the boundary?
• Who invented the law of refraction?
• What is the equation for Snell's law?
• What is the index of refraction?
• What is the unit for the index of refraction?
• Does refraction change the direction of light when it passes from air to glass?
• What is the angle of refraction if a ray of light passes from water into air at an angle of 30 degrees?
• Using the law of reflection, explain how powder takes the shine off of a person’s nose. what is the name of the optical effect?
• What is the speed of light in air? in crown glass?
• How is refraction related to lenses?
• How is refraction related to dispersion?
• How does refraction affect what we see?
• How does refraction affect the appearance of the sky?
• How does the index of refraction relate to speed of light?
• How do you calculate the absolute index of refraction?
• What are refractions?
• What is the angle of refraction (relative to the boundary normal) of a diamond in contact with water according to Snell's law? The indices of refraction for water and diamond are respectively #1.33# and #2.42#.
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• Question #9d802
• Question #84377
• Question #da22a
• Question #a49c4
• Question #424e1
• Why don't we get color or detail information from our peripheral vision?
• What is wave refraction?
• How is wave refraction measured?
• What must be the index of refraction of the liquid such that the direction of the light entering the liquid is not changed?
• What is the largest index of refraction that the liquid can have, such that none of the light is transmitted into the liquid and all of it is reflected back into the glass?
• Question #a3009
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• Question #00679
• Refractive index = #sin i/sin r# or #sin r/sin i#. what does it tell? and ABOUT WHAT?
• Question #3474d
• Why is the index of refraction a unique property of a medium?
• Question #bf1d7
• Question #4311d
• Why do we draw a normal between the reflected ray and the incident ray? What does a normal represents??
• Please help me in this. How to do it?
• Question #54270
• Two rays of light are incident normally on a tub of height #H# filled with water. They pass through glass slabs of heights #h_1# and #h_2#. If the speed of light in vacuum is #c#, what is the time difference between the rays of light to reach the bottom?
• How does light bend if it is going from an object with a higher density through an object with a lower density?
• Question #7abf9
• Why does the refracted ray bend away from normal on travelling from denser to rarer medium?
• Question #23713
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• Question #11259
• Predict why the refractive index of air is slightly higher than the refractive index of a vacuum?