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Oscillations

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Physics of Sound

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  1. The time period of a simple pendulum is 2 seconds. If its length is increased by 4-times, then its period becomes​​
    1. 16 s
    2. 12 s
    3. 8 s
    4. 4 s
Correct Option: D

T = 2π
ℓ
     T ∝ √ℓ
g

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


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