A park rangers flashlight beam strikes a lake surface what
A park ranger's flashlight beam strikes a lake surface. The reflected ray makes a 51 angle with the normal.
What angle does the refracted ray make with the normal in the water?
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although coals is a complex mixture of substances its elemntal composition can be approximated by the formula
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a park rangers flashlight beam strikes a lake surface the reflected ray makes a 51 angle with the normalwhat angle does
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