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.Management Sciences
Category: Physics Mcqs
The SI unit of force constant is identical with that of__________________?
A. Force
B. Pressure
C. Surface tension
D. Loudness
The co efficient of linear expansion is equal to__________?
A. ΔL = αLΔT
B. ΔL/LΔT
C. LΔT/ΔL
D. αLΔT-ΔL
Which of the following waves have smallest velocity in vacuum?
A. Ultraviolet
B. Sound
C. Infra-Red
D. Micro
When body is in motion, ____________ always changes?
A. its velocity
B. its acceleration
C. its position vector
D. its momentum
When the amplitude of a wave becomes double its energy become_________________?
A. Double
B. Four times
C. One half
D. None time
A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?
A. 4.00 s
B. 5.00 s
C. 6.00 s
D. 7.00 s
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