Question

It takes 0.3 s for a pendulum bob to move from mean position to one end.What is the time period of pendulum?
18
1.5 s
1.2 s
2 s​

Answer 1

Answer:

1.2 seconds

Explanation:

Time period is the complete to and fro motion of the pendulum.

So you have to account for it going one side coming back at the center then going to the other side and the going back to the center.

Steps are given below.

0.3 to the left.

Then 0.3 back to it's mean position (center).

Next 0.3 to the right.

After that 0.3 to get back to it's mean position.

So 1.2 seconds is the time period.