Oscillations - Result Question 52

56. The time period of a simple pendulum is 2 seconds. If its length is increased by 4-times, then its period becomes

(a) 16s

(b) 12s

(c) 8s

(d) 4s

[1999]

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Answer:

Correct Answer: 56. (d)

Solution:

(d) T=2πgT

If is increased by 4 times, time period will increase by two times.



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