Question

If a wave takes 0.25 s to pass through a point, the frequency of the wave is____ Hz.

A.) 1.0
B.) 2.0
C.) 3.0
D.) 4.0

Answer 1

Hello!

Answer:

`\Large \boxed{\sf 4.0}`

Step-by-step explanation:

◼ We have the formula:

`\sf frequency = (1)/(period)`

◼ Replace period by 0.25:

`\sf frequency = (1)/(0.25)`

◼ Simplify the expression:

`\sf frequency = 4`