Question

a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false and R is also false

Assertion: Regular rise or fall of sound intensity is called beats.

Reason : It is due to the  superposition of two waves of same frequency​

Answer 1

Answer:

b

Explanation:

b is the corrwct answer

Answer 2

Explanation:

the answer is b

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