Q: A simple pendulum having bob of mass m and length of string l has time period of T. If the mass of the bob is doubled and the length of the string is halved, then the time period of this pendulum will be
(a)T
(b)T/√2
(c)2T
(d)√2 T
Correct Answer: (d)
The correct answer is (b) 'T/√2'. This question from the General Studies domain tests knowledge of Miscellaneous.