A source of wave produce 40 created 20 throughs in 0.45 seconds what is the frequency of the wave??

Asked by vri1602 | 9th Oct, 2020, 04:42: PM

Expert Answer:

Question: -
A source of wave produces 40 crests and 40 troughs in 0.45 s.What is the frequency of the wave? 
Solution: - 

We know that one crest and one trough makes one cycle.
So here, 40 cycles are involved as per the given statement.
These 40 cylces are produced in 0.45 s ...(Given)

Time period = time taken/ total oscillations =  0.45/40 = 0.011 seconds.

Frequency = 1/T = 1/0.011 = 90.90 Hz.

Answered by Shiwani Sawant | 9th Oct, 2020, 08:29: PM