Questions  

A uniform rod of length 2.0 m is suspended through an end and is set into oscillation with small amplitude under gravity. The time period of oscillation is approximately 

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a
1.60 sec
b
1.80 sec
c
2.0 sec
d
2.40 sec
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detailed solution

Correct option is D

This is the special case of physical pendulum and in this case  T=2π2l3g ⇒T=2×3.142×23×9.8=2.31sec≈2.4sec


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