Question 39: EM waves

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 :

Accepted Answer

Assertion is false because em waves have 
momentum.

Answer

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

Answer

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

Answer

(A) is false but (R) is true

Answer

(A) is true but (R) is false

EM waves

Choose the correct answer: