AIPMT 2000 | Oscillations Question 49 | Physics

AIPMT 2000

MCQ (Single Correct Answer)

-1

Two masses $$M$$_A and $$M$$_B are hung from two strings of length $$l$$_A and $$l$$_B respectively. They are executing SHM with frequency relation $$f$$_A = 2$$f$$_B, then relation

$${l_A} = {{{l_B}} \over 4}$$ does not depend on mass

$${l_A} = 4{l_B}$$, does not depend on mass

$${l_A} = 2{l_B}$$ and $${M_A} = 2{M_B}$$

$${l_A} = {{{l_B}} \over 2}$$ and $${M_A} = {{{M_B}} \over 2}$$.

AIPMT 2000

MCQ (Single Correct Answer)

-1

The bob of simple pendulum having length $$l$$, is displaced from mean position to an angular position q with respect to vertical. If it is released, then velocity of bob at equilibrium position

$$\sqrt {2gl\left( {1 - \cos \theta } \right)} $$

$$\sqrt {2gl\left( {1 + \cos \theta } \right)} $$

$$\sqrt {2gl\cos \theta } $$

$$\sqrt {2gl} $$

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