Engineering Physics MCQs - Chapter 18

Longitudinal Waves Quiz Questions and Answers PDF - 3

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The Quiz: Speed of Granite at 0°C is; "Longitudinal Waves" App Download iOS & Android (Free) with answers 6420 m/s, 1522 m/s, 6000 m/s and 5941 m/s to study online classes courses. Study speed of sound quiz questions, download Amazon eBook (Free Sample) to enroll in online colleges.

Longitudinal Waves Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: Speed of Granite at 0°C is

A) 1522 m/s

B) 6420 m/s

C) 6000 m/s

D) 5941 m/s

MCQ 12: 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 13: A change in observed frequency of a wave when source or detector moves relative to transmitting medium is called

A) Doppler effect

B) Thermal effect

C) Newton's effect

D) Elastic effect

MCQ 14: 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 15: Speed of air at 20°C is

A) 331 m/s

B) 965 m/s

C) 343 m/s

D) 1284 m/s

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