The unit of coefficient of linear expansion or volume expansion is__________?
The unit of coefficient of linear expansion or volume expansion is__________?A. K
B. K-1
C. K -2
D. none
B. K-1
C. K -2
D. none
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Which of the following types of force can do no work on the particle on which it acts ?
Which of the following types of force can do no work on the particle on which it acts ?A. frictional force
B. gravitational force
C. elastic force
D. centripetal forceCircuit which gives continuously varying potential is called _______________________?
Circuit which gives continuously varying potential is called _______________________?A. complex network
B. wheat stone bridge
C. potential divider
D. all of aboveSteradian is the SI unit of________________?
Steradian is the SI unit of________________?A. Plane angle
B. Solid angle
C. Both plane angle and solid angle
D. Neither plane angle nor solid angleIt is possible to distinguish between transverse and longitudinal waves form the property of __________________?
It is possible to distinguish between transverse and longitudinal waves form the property of __________________?A. refraction
B. polarization
C. interference
D. diffractionStopping potential for a metal surface in case of photoelectric emission depends on_____________?
Stopg potential for a metal surface in case of photoelectric emission depends on_____________?A. the threshold frequency for the metal surface
B. the intensity of incident light
C. the frequency of incident light and work function of the metal surface
D. all of the aboveIn optic fiber transmission the repeater are separated through a distance of __________ km in newer system?
In optic fiber transmission the repeater are separated through a distance of __________ km in newer system?A. 300km
B. 200km
C. 100km
D. 20km