A : The process of photoelectron emission and thermionic emission of electrons is different . R : Photoelectric emission does not depend upon temperature , whereas thermionic emission is temperature dependent .
A
If both Assertion & Reason are ture and the reason is the correct explanation of the assertion , then mark (1) .
B
If both Assertion & Reason are true but the reason is not the correct explanation of the assertion , then mark (2) .
C
If Assertion is true statement but Reason is false , then mark (3)
D
If both Assertion and Reason are false statements , then mark (4) .
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