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The MCQ A dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound is called: noch number, mach number, prime number and unit number with "Shock Wave" App Download (Free) to learn online tutor courses. Practice shock wave quiz questions, download Google eBook (Free Sample) for online engineering associate's degree.

## Shock Wave MCQ Quiz : Physics MCQs

MCQ 1: A dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound is called

A) Noch number
B) Mach number
C) Prime number
D) Unit number

MCQ 2: Conical pressure wave front produced by a body moving at a speed greater than that of sound is called

A) Elliptical cone
B) Mach cone
C) Noch cone
D) Unit cone

MCQ 3: Half of the vertex angle of a Mach cone whose sine is the ratio of the speed of sound to the speed of a moving body is referred to as

A) Mach cone length
B) Mach cone angle
C) Circular angle
D) Inclined cone angle

MCQ 4: A type of propagating disturbance is termed as

A) noise wave
B) sound wave
C) shock wave
D) elastic wave

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