Aballsitsinthebottomofanotherwiseemptytubatthefrontoft

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Unformatted text preview: 1 = n2 sin θ 2 = n2 cosθ1 = n1 sin θ1 n1 θ1 + θ 2 = 90 Snell’s Law: A ball sits in the bottom of an otherwise empty tub at the front of the room. A ball sits in the bottom of an otherwise empty tub at the front of the room. Suppose N people sit high enough to see the ball (N = ). A ball sits in the bottom of an otherwise empty tub at the front of the room. A ball sits in the bottom of an otherwise empty tub at the front of the room. Suppose N people sit high enough to see the ball (N = ). Suppose I fill the tub with water but the ball doesn’t move. Will more or less people see the ball? BB A) More people will see the ball B) Same # will see the ball C) Less people will see the ball θA θw ?? no water water Snell’s Law: ray bent away from normal going from water to air Preflight 10 The light would go out in all directions, so only some of it would be internally reflected. The person would see the light that escaped after being refracted. BB 70 60 50 40 30 DRAW SOME RAYS 20 10 0 Example: Refraction at...
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This document was uploaded on 02/13/2014.

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