A wooden block performs SHM on a frictionless surface with frequency- v 0- The block carries a charge - Q on its surface- If now a uniform electrical field E is switched on as shown- then the SHM of the block will beA- Of the same frequency and with shifted mean positionB- Of the same frequency and with the same mean positionC- Of changed frequency and with shifted mean positionD- Of changed frequency and with the same mean position-

The correct option is A Of the same frequency and with shifted mean position Frequency, v_0 =1/2 π√(k/m) will remain same. An additional constant force will no ...

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Standard XII

Physics

SHM Formulae

A wooden bloc...

Question

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

Of the same frequency and with shifted mean position

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Of the same frequency and with the same mean position

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Of changed frequency and with shifted mean position

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Of changed frequency and with the same mean position.

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Solution

The correct option is A
Of the same frequency and with shifted mean position

Frequency,

$v_{0} = \frac{1}{2 π} \sqrt{\frac{k}{m}}$ will remain same.

An additional constant force will not change the frequency but will shift the mean position through distance $\frac{q E}{k}$ in the forward direction.

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A wooden block performs SHM on a frictionless surface with frequency, v0. The block carries a charge + Q on its surface. If now a uniform electrical ﬁeld E is switched on as shown, then the SHM of the block will be

The correct option is A Of the same frequency and with shifted mean position Frequency, v0=12π√km will remain same. An additional constant force will not change the frequency but will shift the mean position through distance qEk in the forward direction.

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