A positive point charge $Q$ is brought near an isolated metal cube.

The cube become negatively charged.

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The cube becomes positively charged.

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The interior becomes positively charged and the surface becomes negatively charged.

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The interior remains charge free and the surface gets non-uniform charge distribution.

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Solution

The correct option is D The interior remains charge free and the surface gets non-uniform charge distribution.
The charge inside the conductor is always zero and all charges are distributed on the outer surface of the conductor. So when a charge Q is brought near a metal cube the charge inside of cube will remain zero but outer surface will get non-uniform charge distribution.

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