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Light

Reflection of Light

QuestionAnswer
What is light Light is a form of energy
What is energy The ability to do work
What is the unit for energy Joule (J)
What is Work Work is the ability to move something Work=Force x Distance
What is the unit for work Joule (J)
How Does Light Move Light moves in a straight line unless spacetime curves, in this case the light curves with spacetime
What is the speed of light 3x10^8ms^-1
What are the laws of reflection The Incident Ray, Reflected Ray and Normal are all in the same plane. The angle of incidence is equal to the angle of reflection
Why does light reflect off a mirror but not a table for example A mirrors surface is smooth so an image is formed where as a tables surface is rough therefore no image is formed Basically if a surface is smooth it will show an image but if it is rough it won't
What is reflection off a smooth surface called Regular reflection
What is reflection off a rough surface called Diffuse Reflection
What is a transparent medium A transparent medium is a substance through which light can travel and through which you can see clearly
Created by: 21JulianM
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