Q.

Supersonic plane fly with the speed -

A. less than the speed of sound
B. of sound
C. greater than the speed of sound
D. of light
Answer» C. greater than the speed of sound
Explanation: Supersonic travel is a rate of travel of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) at sea level, this speed is approximately 344 m/s, 1,125 ft/s, 768 mph, 667 knots, or 1,235 km/h.
704
0
Do you find this helpful?
1

View all MCQs in

Physics

Discussion

No comments yet