MCQ
One Mach number is equal to
- AVelocity of light
- ✓Velocity of sound $(332 m / sec )$
- C$1 km / sec$
- D$1 m / sec$
✓
Answer
Correct option: B.
Velocity of sound $(332 m / sec )$
(b) Mach number $=\frac{\text { Velocityof object }}{\text { Velocityof sound }}$.
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