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Amiraneli [1.4K]
3 years ago
9

What measures the distance between two consecutive crests of a wave?

Physics
1 answer:
Marina86 [1]3 years ago
8 0
Answer A is incorrect
A crest is just one point. It is not the distance between 2 crests.

B  is incorrect
A trough is just 1 point. It is not the distance between 2 troughs.

C is incorrect.
the amplitude measures the height of a crest from the middle of the wave to the crest (or trough).

D is the correct answer. That is the distance between 2 crests or 2 troughs 
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           "1 watt"
means
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           Total energy generated,
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Explanation:

Given

Power Supplied [tex]P_{input}=4\ kW[/tex]

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