A wooden block performs SHM on a frictionless surface with frequency $υ_{0}$ . The block carries a charge +Q on its surface. If now a uniform electric field $\vec{E}$ is switched-on as shown, then the SHM of the block will be:

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Of changed frequency and with shifted mean position

Of the same frequency and with shifted mean position.

Of the same frequency and with the same mean position

Of changed frequency and with the same mean position

answer is A.

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Detailed Solution

Due to any constant external force SHM frequency never changes, it can only shift the equilibrium position.

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