Assertion : Change in pressure at constant temperature causes change in the speed of sound. Reason : Speed of sound in air is directly proportional to square of pressure.

Assertion : Change in pressure at constant temperature causes change i

1.	Assertion : Change in pressure at constant temperature causes change in the speed of sound. Reason : Speed of sound in air is directly proportional to square of pressure.
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 in air, `v = sqrt (( GAMMA P )/(rho )) = sqrt ((gamma P Y)/( M ))` `= sqrt (( gamma mu RT)/( mu M _(0)))= sqrt((gamma RT)/( M _(0)))=` constant `(M _(0)=` molecular weight, `mu = no.` of moles) Speed of sound is not affected by change in pressure at constant temperature.