Q: (NDA-II/2019)
question_subject:
Science
question_exam:
NDA-II
stats:
0,7,17,7,5,4,8
keywords:
{'second pendulum': [0, 0, 0, 1], 'pendulum clock': [0, 1, 1, 0], 'first pendulum': [0, 0, 0, 1], 'gravitational acceleration': [0, 0, 0, 1], 'time period': [1, 0, 1, 12]}