SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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time taken for 20 swings is 46 seconds. how much time is needed for 1 swing
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0.43478
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3.2
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20.46s
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2.3 seconds
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Explanation:
Detailed explanation-1: -A pendulum is timed, first for 20 swings and then for 50 swings:Time for 20 swings= 17.4s. Time for 50 swings=43.2s.
Detailed explanation-2: -A simple pendulum takes 32s to complete 20 oscillations.
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