Question

if a pendulum makes 20 oscillation in a second it's frequency will be.
a. 10
b. 20
c. 100
d. 2​
please give me detail answer

Answer 1

Answer:

Explanation:

Frequency : The number of complete ocillation per unit time

So if the number of oscillation in unit time(1 second) is x, then frequency is ,

f = x

So the answer will be f = 20

Answer 2

Answer:

b. 20

Explanation:

as frequency means the no. of oscillation made by a vibrating object in a second