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Physics

Physics
The dimension of Planck constant equals to that of

Energy
Angular momentum
Momentum
Power

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Physics
Which among the following is the fundamental quantity ?

Force
Volume
Time
Velocity

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Physics
A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is :

0.20902777777778
0.12638888888889
0.12777777777778
0.21111111111111

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Physics
The inability of a body to change its state of rest or uniform motion along a straight line is called its

Velocity
Momentum
Acceleration
Inertia

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Physics
The average kinetic energy of the molecules of an ideal gas is directly proportional to

Absolute temperature of the gas
Mass of Molecules
Velocity of Molecules
Temperature of environment

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Physics
Curie point is the temperature at which

Transmutation of metal occurs.
A metal loses magnetic properties.
Matter becomes radioactive
A metal loses conductivity

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