Question

In 3.0 seconds, a wave generator produces 15 pulses that spread over a distance of 45 centimeters. Calculate its period.

0.022 s

0.066 s

0.20 s

0.33 s

Answer 1

Period = (time) / (number of pulses)

= (3 sec) / (15 pulses)

= 0.2 sec/pulse