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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)

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 Author Topic: Apparent Depth  (Read 21259 times) 0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).
mengue
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 « Embed this message on: November 29, 2005, 05:43:14 pm »

If an object is positioned 1m under water, and a man is positioned above the water with a angle of 30º , what is the equation to solve the apparent depth problem?
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colos
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 « Embed this message Reply #1 on: December 27, 2005, 01:17:36 pm »

n1 sin(c1) = n2 sin(c2)

1 sin (pi/6) = (4/3) sin (c2)

sin(c2)=3/8 , from the depth is 1 m you will find the location.
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"That their main business was not put into the mind knowledge which was not there before, but to turn the mind's eye towards light so that it might see for itself." ...Plato's advice to educators(429-347BC)