Assertion :A metallic shield in the form of a hollow shell may be built to block an electric field. Reason: In a hollow spherical shield, the electric field inside it is zero at every point.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
We know that inside the conductor electric field is zero. So,the hollow metallic shell is shielded to block the electric field.
Ans: $(A)$

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