Question

What is the effect of humidity on sound waves when humidity increases?

• A. Speed of sound waves is more.
• B. Speed of sound waves is less.
• C. Speed of sound waves remains same.
• D. Speed of sound waves becomes zero.

Hint:

Moist air is less dense, so sound travels faster.

Answer 1

The Correct Option is A

Step 1: Common knowledge
Sound travels a little faster on a humid day than on a dry day. Option (A).

Final Answer:
Option (A). \[ \boxed{\text{(A)}} \]