1.

Assertion : Compared to winter, sound travels faster in summer. Reason: Speed of sound is proportional to square of absolute temperature of air.

Answer»

Assertin and reason both are correct and reason is the correct EXPLANTION of assertion.
Assertion and reason both area correct but reason is not the correct explanation of assertion.
Asserton is true but reaosn is FALSE.
Both, assertion and reaosn are false.

SOLUTION :Speed of sound `V PROP sqrtT`
(Where , T = absolute temperature of aire)
Sound will travel faster in summer.


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