Assertion : The velocity of sound in the air increases due to presence of moisture in it. |
Reason (R): The presence of moisture in air lowers the density of air. Of these statements; |
A) Both A and Rare 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 but R is true
Correct Answer: A
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