Question

if 100 waves are passing through a point in 20 second then frequency is equal to......in hertz. A) 6.4 cm/s B) 5 C) 5 second D) 5 meterE) 4.9 cm

Answer 1

Answer:

B)5

Explanatipn:

divide no.of waves by time taken that is

100÷20=5