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June 30, 2015

Homework Help: physics

Posted by angel on Sunday, April 1, 2012 at 9:02pm.

A ray of light traveling in air strikes the surface of a liquid.
If the angle of incidence is 33.5◦
and the
angle of refraction is 19.8◦, find the critical
angle for light traveling from the liquid back
into the air.
Answer in units of◦

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