1. Tardigrade
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  4. 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.

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Q. 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.

AIIMSAIIMS 2019Dual Nature of Radiation and Matter

Solution:

Correct answer is (a) If both assertion and reason are true and reason is the correct explanation of assertion