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Assertion:  A hollow metallic closed container with small opening maintained at a high temperature can act as a source of black body radiation.

Reason:  All metals act as black body radiator.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.

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