Question

Select One Option Correct from the following : The period of oscillation of simple pendulum of length L suspended from the roof of the vehicle which moves without friction, down an inclined plane of inclination $\alpha$, is given by
(A)$2\pi\sqrt{\frac{L}{g \cos \alpha} }$(B)$2\pi\sqrt{\frac{L}{g \sin \alpha} }$(C)$2\pi\sqrt{\frac{L}{g}}$(D)$2\pi\sqrt{\frac{L}{g\tan \alpha }$

Answer 1

a option is correct.
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Answer 2

Select One Option Correct from the following : The period of oscillation of simple pendulum of length L suspended from the roof of the vehicle which moves without friction, down an inclined plane of inclination $\alpha$, is given by

✴️ (A)$2\pi\sqrt{\frac{L}{g \cos \alpha} }$

(B)$2\pi\sqrt{\frac{L}{g \sin \alpha} }$

(C)$2\pi\sqrt{\frac{L}{g}}$

(D)$2\pi\sqrt{\frac{L}{g\tan \alpha }$