A Diver Shines Light Upward to the Surface of a Smooth

question 37

Multiple Choice

A diver shines light upward to the surface of a smooth pond at 20° to the normal. Most light passes into the air above while the part that reflects back into the water makes an angle to the normal of

• A)less than 20°.
• B)20°.
• C)more than 20°.
• D)all refracts, none reflects.

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