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Find out the time period of oscillation ...

Find out the time period of oscillation when the bob is slightly shift through an angle `theta` from it mean position.

Text Solution

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`g_("eff")=(T_(M D))/(m)=sqrt((mg)^(2)+(qE)^(2))`
`=sqrt(g^(2)+((qE)/(m))^(2))`
`impliesT=2pisqrt((l)/(g_("eff")))`
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