Q 1720001811.     Consider a simple pendulum, having a bob
attached to a string, that oscillates under the action
of the force of gravity. Suppose that the period of
oscillation of the simple pendulum depends on its
length `(l)`, mass of the bob `(m)` and acceleration due
to gravity `(g)`. Derive the expression for its time
period using method of dimensions.

NCERT Hot 2/185
A

`T = 4pi sqrt (g/l)`

B

`T = 2 pi sqrt (l/g)`

C

`T = 2pi sqrt (l^2/g)`

D

`T = 4 pi sqrt (l^4/g)`

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