The frequency of a sound wave is 457 Hz. What is the period? a 0.0032 s b 0.078 s C 0.0010 s d 0.0022 s

Question

The frequency of a sound wave is 457 Hz. What is the period?
a
0.0032 s
b 0.078 s
C 0.0010 s
d 0.0022 s

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Thu Thủy 3 years 2021-09-05T15:29:22+00:00 1 Answers 53 views 0

Answers ( )

  1. Nem
    0
    2021-09-05T15:30:29+00:00
    Reply

    Period: 1/Frequency
    1/457 = 0.002188 seconds
    Round it to 0.0022 seconds

    The answer is D

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