Heat Ques 15

Question: Assertion [A]: A jet aircraft moving at Mach Number equal to 1 travels faster at an altitude of 15 km than while moving at Mach Number equal to 1 near the sea level.

Reason [R]: The velocity of sound depends on the temperature of the surrounding medium.

Options:

A) Both A are R are true and R is the correct explanation of A

B) Both A and R are true but R is not a correct explanation of A

C) A is true but R is false

D) A is false but R is true

Show Answer

Answer:

Correct Answer: D