AIIMS2009Physics-Modern Physics
AIIMS 2009 Physics Photon Properties Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion : A photon has no rest mass, yet it carries definite momentum. Reason : Momentum of photon is due to its energy and hence its equivalent mass.
A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C
Assertion is true but Reason is false.
D
Both Assertion and Reason are false.
Correct Answer
Option A
Detailed Explanation
Equivalent mass of photon (m) is given from equation E = mc².
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