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Question: Answered & Verified by Expert
A glass rod rubbed with silk is used to change 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
PhysicsElectrostaticsVITEEEVITEEE 2011
Options:
  • A the divergence of leave will not affected
  • B the leaves will diverge further
  • C the leaves will collapse
  • D the leaves will melt
Solution:
1395 Upvotes Verified Answer
The correct answer is: the leaves will diverge further
As charge on glass $\operatorname{rod}$ is $+$ (ve) so charge on gold leaves will also be $+($ ve $)$. Due to X-rays more electrons from leaves will be emitted, so leaves becomes more positive and diverge further.

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