Opponents of supersonic transport aircraft claim that sound waves can be refracted in the upper atmosphere and that, as a result, sonic booms can be heard several hundred miles away from the ground...

Opponents of supersonic transport aircraft claim that

sound waves can be refracted in the upper atmosphere and

that, as a result, sonic booms can be heard several hundred

miles away from the ground track of the aircraft. Explain the

phenomenon of sound wave refraction.

Reference State: Local Isentropic

Stagnation Properties