Question

The person to answer this question in attachment with proper explanation gets brainliest

Answer 1

Answer:

time taken by wave to complete one cycle is called time period and frequency is reciprocal of time period

in the graph time taken to complete one cycle (1 crest +1 trough) is equal to 0.2 s

so time period =0.2s

frequency =1/Time period

= 1/0.2

= 10/2

=5 Hz