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.
Correct Answer:
Verified
Correct Answer:
Verified
Q32: When a pulse of white light is
Q33: As monochromatic light passes from air to
Q34: The image of the "infinitely-far-away" Sun produced
Q35: Ninety-five percent of light incident on a
Q36: In optical fibers of uniform density, light
Q38: When the tiny hole in a pinhole
Q39: The critical angle for a transparent material
Q40: Light travels from one place to another
Q41: Rainbows exist because light is<br>A)reflected.<br>B)refracted.<br>C)both of these<br>D)neither
Q42: When taking a photo of a nearby