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.Management Sciences
Category: Physics Mcqs
A wire is stretched by a force F which causes an extension 1. The energy stored in the wire is____________________?
0
A. The extension of the wire is proportional to the force applied
B. The weight of the wire is negligible
C. The wire is not stretched beyond its elastic limit
D. The cross sectional area of the wire remains constant
Which one is not an example of adiabatic process ?
A. rapid escape of air from a burst tyre
B. rapid expansion of air
C. conversion of water into ice in refrigerator
D. cloud formation in the atmosphere
Electromagnetic waves emitted from antenna are________________?
A. Stationary
B. Longitudinal
C. Transverse
D. All the above
Longitudinal waves do not exhibit _____________________?
A. reflection
B. refraction
C. diffraction
D. polarization
On a clear day at noon the solar energy reaching the earth is ____________________?
A. 1.44kw/m2
B. 1.4kw/m2
C. 1 kw/m2
D. none
If a body of mass 10 kg is allowed to fall freely, its weight becomes______________?
A. 0
B. 89N
C. 9.8 N
D. 10N
The speed of the fluid is maximum in the venturi meter at_______________?
A. Convergent duct
B. Divergent duct
C. Throat
D. None of these
The especially designed semiconductor diodes used as indicator lamps in electronic circuits are___________?
A. The switch
B. The light emitting diode
C. The photo diodes
D. Solar cells.
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