Wave Properties — Unit test Answers

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What causes diffraction that results in a fuzzy glow around a full moon?

A
Moonlight converges into a single area around the moon called a shadow region.
B
Moonlight bends toward a single area around the moon called a shadow region.
C
Light from the Sun reflecting off the moon bends around particles in Earth’s atmosphere and then spreads out.
D
Light from the Sun reflecting off the moon then reflects off particles in Earth’s atmosphere and scatters.
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The distance between slits on a diffraction grating is 0.60 mm, and one of the angles of diffraction is 0.30°. The light forms a second-order bright band.

A
1047 nm
B
1571 nm
C
3142 nm
D
6284 nm

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