Question

A speed greater than that of any type of sound waves is said to be:
(A) infrasonic speed
(B) sonic speed
(C) ultrasonic speed
(D) supersonic speed

Answer 1

Answer:

(D) is the answer as I think

Answer 2

Dear Student,

◆ Answer - (D)

A speed greater than that of any type of sound waves is said to be supersonic speed.

● Explanation -

• Object is said to having supersonic speed if its speed exceed the speed of sound i.e. 343 m/s.
• When speed of object becomes more than five times of sound, it is called hypersonic speed.

Thanks dear. Hope this helps you...