The mass and diameter of a planet are twice those of earth. The period – McqOptions

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1.	The mass and diameter of a planet are twice those of earth. The period of oscillation of pendulum on this planet will be (If it is a second's pendulum on earth) [IIT 1973; DCE 2002]
A.	\[\frac{1}{\sqrt{2}}\] sec
B.	\[2\sqrt{2}\]sec
C.	2 sec
D.	\[\frac{1}{2}\]sec
Answer» C. 2 sec

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