Multiple choice

Which is the unit to measure the supersonic speed?

  1. MAC

  2. HAC

  3. FAC

  4. BAV

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Supersonic speed is measured in Mach numbers, which represent the ratio of the speed of an object to the speed of sound in the surrounding medium. The option 'MAC' is a common phonetic or typographical representation of 'Mach'.