Question

If period of wave is 2 minutes, frequency of wave is ______.
a) 120Hz
b) 0.0083Hz
c) 83H
d) 0.12Hz

Answer 1

Time period=2min=120sec

Frequency =1/Time period

=>1/120=>0.0083 Hz

Hence answer is b)

Hope it helps you.

Answer 2

Answer:

b. 0.0083Hz

Explanation:

As time period is 2min

2min = 120 sec

And

1/ T = frequency

1/120 = 0.0083 Hz