The time period of oscillation of a simple pendulum having length L and mass of the bob m is given as T. If the length of the pendulum is increased to 4L and the mass of the bob is increased to 2m, then which one of the following is the new time period of

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Q: 41 (NDA-II/2018)
The time period of oscillation of a simple pendulum having length L and mass of the bob m is given as T. If the length of the pendulum is increased to 4L and the mass of the bob is increased to 2m, then which one of the following is the new time period of oscillation?
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question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,22,8,1,22,2,5

keywords: 

{'pendulum': [0, 0, 0, 3], 'simple pendulum': [0, 0, 1, 4], 'oscillation': [0, 0, 1, 1], 'new time period': [0, 0, 0, 1], 'time period': [1, 0, 1, 12], '4l': [0, 0, 0, 1], 'mass': [0, 0, 2, 3], 'length': [0, 0, 1, 0], 'bob': [0, 0, 1, 2]}