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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Charge and Coulombs Law

  • question_answer
    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                                                [AMU 1995]

    A)                    The divergence of leaves will not be affected           

    B)                    The leaves will diverge further

    C)                    The leaves will collapse           

    D)                    The leaves will melt

    Correct Answer: B

    Solution :

                 Charge on glass rod is positive, so charge on gold leaves will also be positive. Due to X-rays, more electrons from leaves will be emitted, so leaves becomes more positive and diverge further.           


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