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An L-shaped object, made of thin rods of...

An L-shaped object, made of thin rods of uniform mass density, is suspended with a string as shown in figure. If AB=BD, and the angle made by AB with downward vertical is `theta`, then :

A

`tantheta=(1)/(2sqrt(3))`

B

`tantheta=(1)/(2)`

C

tantheta=(2)/(sqrt(3))`

D

`tantheta=(1)/(3)`

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