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.Management Sciences
Category: Physics Mcqs
The source of geothermal energy is___________________?
A. decay of radioactive element in the earth
B. compression of material in the earth
C. residual lost of the earth
D. all as said in A – B and C
Work has the dimension as that of same as that of__________________?
A. torque
B. angular momentum
C. linear momentum
D. power
Tick the correct statement ?
A. an atom has limited number of ionization potentials but a large number of excitation potentials
B. there are as many excitation potentials as there are excited states
C. the difference between the energy of the ground sate and any one of the excited states is the measure of excitation energy
D. all of above
Various types of cancer are treated by_________________?
A. Cobalt-60
B. Strontium-90
C. Carbon-14
D. Nickel-63
Work done by the force of friction is____________________?
A. always positive
B. always negative
C. positive only for small frictional force
D. positive only for large frictional force
A convex lens gives a virtual image only when the objects lies_________________?
A. between principal focus and center of curvature
B. beyond 2 f
C. at the principal focus
D. between principal focus and optical center
If the density of atoms remain same along any direction in a crystal is called__________________?
A. Symmetry
B. Homogeneity
C. Isotropy
D. Cleavage
Diffraction effect is____________________?
A. more for a round edge
B. less for a round edge
C. more for a sharp edge
D. less for a sharp edge
For normal adjustment, length of astronomical telescope is______________?
A. fo + fe
B. fo – fe
C. fo / fe
D. fe / fo
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