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.Management Sciences
Category: Physics Mcqs
Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?
0
A. Mean position
B. Elsewhere
C. Extreme position
D. None
In case of planets the necessary acceleration is provided by______________?
A. Gravitational force
B. Frictional force
C. Coulomb force
D. Centripetal force
The maximum safe limit dose for persons working in a nuclear power station is ________________?
A. 1 rem per week
B. 5 rem per week
C. 4 rem per week
D. 3 rem per week
Ratio of the weight of H-atom to that of an electron is approximately______________?
A. 18.336
B. 1836
C. 18360
D. 183.6
The waves that require a material medium for their propagation are called__________________?
A. matter waves
B. electromagnetic waves
C. carrier waves
D. mechanical waves
p-n junction when reversed biased acts as a_______________?
A. capacitor
B. inductor
C. on switch
D. off switch
Doppler effect applies to____________________?
A. sound wave only
B. light wave only
C. both sound and light waves
D. neither sound nor light wave
Two identical coaxial circular loops carry equal currents in the same direction. If the loops approach each other the current in______________?
A. Each increase
B. Each decrease
C. Each remains the same
D. One increases whereas that in the other decreases
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