Physics Review Question

Unit: wave phenomena
Year: 1989 Question#: 42
Question: What is the period of a wave with a frequency of 2.0 x 102 hertz?

(1 ) 6.0 x 10-10 s
(2 ) 2.0 x 10-3 s
(3 ) 5.0 x 10-3 s
(4 ) 1.5 x 106 s

What is this question really asking?


Explanation by: Esy C

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Answer 1
6.0 x 10-10 s

INCORRECT

This answer does not fit when using the formula T= 1/f. return to top























Answer 2
2.0 x 10-3 s

INCORRECT

This answer does not fit when using the formula T= 1/f. return to top



























Answer 3
5.0 x 10-3 s

CORRECT

When using the formula T (period)= 1/ f(requency), and substituting the given frequency, this is the answer you get for period. return to top


























Answer 4
1.5 x 106 s

INCORRECT

This answer does not fit when using the formula T= 1/f. return to top


























What's this question really asking?

Find the period of the wave with the given frequency 2.0 x 102 hertz. return to top

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