Physics, 28.10.2021 03:50 starwarsfan392
Which phrase gives the correct definition for destructive interference?
A. when a wave appears to be at a standstill and vibrates in place
B. when the trough of one wave matches the crest of another
C. when two waves with identical crests and troughs meet
D. when energy reflects back toward its source
Answers: 1
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The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?
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Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
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Which phrase gives the correct definition for destructive interference?
A. when a wave appears to...
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