What is Mach number defined as?

Type: MCQ • Marks: 1

A. Amplitude divided by frequency

B. Mass times velocity

C. Ratio of object's speed to the speed of sound in the surrounding medium

D. Ratio of frequency to wavelength

Explanation

Mach number = Speed of object / Speed of sound (Mach 1 = speed of sound).

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Class 9th Science (MCQ)

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