Question

In a simple pendulum, length increases by 4% and g increases by 2% then time period of simple pendulum

(1) increases by 4%

(2) increases by 1%

(3) increases by 3%

(4) decreases by 3%

Answer 1

The time period of simple pendulum is Increases by 1%.

Explanation:

Given that,

The length increases by 4% and g increases by 2%.

Using the formula of time period of simple pendulum

According to question

The time period of simple pendulum

Using the formula of percentage error

Hence, The time period of simple pendulum is Increases by 1%.