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Subject :Physics    Class : Class 7

In each of the following questions, a statement of Assertion (A) is given followed by a corresponding statement of Reason (R) just below it. Of the statements, mark the correct answer as
Assertion : Radiation is a process of transfer of heat in which a material medium is not necessary.
Reason : The heat from the sun reaches us through millions of miles of empty space by convection.

A If both assertion and reason are true and reason is the correct explanation of assertion
B If both assertion and reason are true but reason is not the correct explanation of assertion
C If assertion is true but reason is false
D If assertion is false but reason is true.


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