Consider a lamp at the bottom of a 1-m deep swimming pool. Light leaves the lamp at various angles, travels through the water, then reflects and/or refracts when it gets to the air. Draw rays of light leaving the lamp at 10 degrees, 30 degrees, 50 degrees, and 70 degrees with respect to the vertical. Show on your drawing what the light does when it gets to the air-water surface (which you should assume is perfectly smooth, flat, and horizontal).
Refraction of Light
Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.
Angle of Refraction
Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.
Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.
Consider a lamp at the bottom of a 1-m deep swimming pool. Light leaves the lamp at various angles, travels through the water, then reflects and/or refracts when it gets to the air. Draw rays of light leaving the lamp at 10 degrees, 30 degrees, 50 degrees, and 70 degrees with respect to the vertical. Show on your drawing what the light does when it gets to the air-water surface (which you should assume is perfectly smooth, flat, and horizontal).
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