A glass rod rubbed with silk is used to charg | vedclass

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Question

(B) When a glass rod is rubbed with silk,it acquires a positive charge. When this rod is used to charge a gold leaf electroscope,the leaves acquire a

Vedclass · Accepted Answer

The leaves will diverge further

Vedclass · Answer

(B) When a glass rod is rubbed with silk,it acquires a positive charge. When this rod is used to charge a gold leaf electroscope,the leaves acquire a positive charge and diverge due to electrostatic repulsion.When the charged electroscope is exposed to $X$-rays,the $X$-rays cause photoemission of electrons from the metal leaves.Since electrons (negative charge) are emitted from the leaves,the net positive charge on the leaves increases.As the magnitude of the positive charge on the leaves increases,the electrostatic repulsive force between them increases.Therefore,the leaves will diverge further.

$A$ glass rod rubbed with silk is used to charge a gold leaf electroscope and the leaves are observed to diverge. The electroscope thus charged is exposed to $X$-rays for a short period. Then

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