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.Management Sciences
Category: Physics Mcqs
According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?
0
A. Flow rate
B. Volume of fluid
C. Mass of fluid
D. The density of the fluid
A magnetic compass will be deflected if it is kept near a____________________?
A. charge in motion
B. charge at rest
C. both
D. none
At resonance the value of the power factor in an L-C-R series circuit is_______________?
A. Zero
B. 2
C. 1
D. Not definite
The speed of sound in hydrogen is _____________ time than that in oxygen?
A. Two times
B. Three times
C. Four time
D. Six time
The blood flow is _______________ flow at systolic pressure?
A. Laminar
B. Turbulent
C. Mixed
D. None
When one mirror of a Michelson Interferometer is moved a distance of 0.5 mm we observe 2000 fringes. What will be wavelength of light used ?
A. 5000 nm
B. 5000A
C. 500m
D. 2000um
A mass spectrograph (spectrometer) sorts out____________?
A. Molecules
B. Ions
C. Elements
D. Isotopes
The ration stress to strain in youngs modulus of the material then tension is__________________?
A. Directly proportional to extension
B. Directly proportional to strain
C. Directly proportional to square of amplitude
D. Inversely proportional to extension
With increase in temperature the electrical conductivity of intrinsic semi conductor___________________?
A. Decreases
B. Increases
C. Remains same
D. First increases then decreases
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