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.Management Sciences
Category: Physics Mcqs
Which of the following types of force can do no work on the particle on which it acts ?
A. frictional force
B. gravitational force
C. elastic force
D. centripetal force
When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are________________?
A. 5m/s, 1m/s
B. 3m/s, 3m/s
C. 6m/s, 1m/s
D. 4m/s, 2m/s
When fluid is incompressible then________________?
A. The velocity of the fluid is constant
B. The flow of the fluid is the straight line
C. The density of the fluid is constant
D. The volume of the fluid is constant
Specific resistance of a wire____________________?
A. will depend on its length
B. will depend on its radius
C. will depend on the type of material of the wire
D. will depend on none of the above
Geiger counter is suitable for _________________?
A. Fast counting
B. Extremely fast counting
C. Slow counting
D. All situations
Einstein’s photoelectric equation is given by_______________?
A. 1/2 mvmax2=hf+Φ
B. 1/2 mvmax2-hf = Φ
C. 1/2 mvmax2=hf-Φ
D. All of above are correct
The total energy of a body executing S.H.M is directly proportional to________________?
A. The square root of amplitude
B. The amplitude
C. Reciprocal of amplitude
D. Square of an amplitude
A wire having very high value of conductance is said to be____________________?
A. very good conductor
B. moderately good conductor
C. an insulator
D. no specific criterion available
It is possible to distinguish between transverse and longitudinal waves form the property of __________________?
A. refraction
B. polarization
C. interference
D. diffraction
Time rate of change of momentum is equal to____________________?
A. force
B. impulse
C. velocity
D. both A and C
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