Question

The periodic time of a simple pendulum of length l& amplitude 2 cm is 5 sec. If the amplitude is made 4 cm, its periodic time in sec is –

• A. 2.5
• B. 5
• C. 10
• D. $5 \sqrt { 2 }$

Answer 1

Answer: (B)

5

Answer 2

The time period is independent with its amplitude so again T = 5 sec