A. One
newton metre
B. One newton metre-1
C. One newton
metre-2
D. One dyne cm2
32. One
big advantage of the atomic standards of length and time is that
A. They
are of human size
B. They
can be measured with simple equipment
C. They
are natural units
D. They can be duplicated anywhere
33. The
correct unit of power is
A. Kilowatt
B. Dynes
C. Joule
D. Kilowatt-hour
34. One
Fermi is equal to (in SI)
A. 10-6
farad
B. 10-6 Henry
C. 10 -12 metre
D. 10 -12 Angstrom
35. Out
of the followings which is not a characteristic of the fundamental units?
A. They
are well defined
B. They
are easily reproductive
C. They are not related to each other
D. They do not change
with change of conditions as temperature, state of motion, pressure etc.
36. In
S.I System, the correct unit of pressure is
A. Atmosphere
C. Pascal
C. Dynes
per square cm
D. Mm
of mercury
37. Choose
the physical quantity which is not defined in terms of force per unit area
A. Pressure
B. Stress
C. Strain
D. young's
modulus
38. A
pressure of 106 dynes/cm2 in C.G.S. is
equivalent to ... in M.K.S.
A. 105 N/m2
B. 104 N/m2
C. 106 N/m2
D. 103 N/m2
39. Given
the density of wood is 0.5 gm per c.c. in the C.G.S. system of units. Its value
in MKS units is given by
A. 500
B. 50
C. 0.5
D. 5,000
40. Which
of the following is dimensionally correct?
A. Pressure
= Energy per unit area
B. Pressure = Energy per unit volume
C. Pressure
= Force per unit volume
D. Pressure
= momentum per unit volume per unit time
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