Modern Physics JEE Main | EM Waves Assertion Reason

JEE MAIN 2025

29-01-2025 SHIFT-1

Question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled. as Reason (R).
Assertion (A) : Electromagnetic waves carry energy but not momentum.
Reason (R) : Mass of a photon is zero.
In the light of the above statements, choose the most appropriate answer from the options given below :

Select the correct option:

(A) is false but (R) is true

(A) is true but (R) is false

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true but (R) is not the correct explanation of (A)

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Assertion is false because em waves have momentum.

Question Tags

JEE Main

Physics