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.Management Sciences
Category: Physics Mcqs
Which of the following waves have smallest velocity in vacuum?
0
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
The minimum wavelength of X-rays produced by the bombardment of electrons on the screen of a television set where the accelerating potential is 2.0K V will be______________?
A. 6.2 x 10-10m
B. 9.1 x 10-18m
C. 3.11 x 10-10m
D. 4 x 10-10m
At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale?
A. 460°C
B. 280°C
C. 360°C
D. 160°C
Which one of the following is not vector quantity _______?
A. Acceleration
B. Displacement
C. Speed
D. Force
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