A)
B)
C)
D)
Correct Answer: D
Solution :
The loudness of a sound wave is directly proportional to its amplitude. The height of the crest or the depth of a trough of a wave is known as its amplitude. The height of the crests of the sound wave represented in alternative D is 3 units. It is the maximum among the four represented sound waves, which means that the sound wave represented in alternative D is the loudest. The correct answer is D.You need to login to perform this action.
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