(A) Audiometer
(B) Altimeter
(C) Ammeter
(D) Anemometer
One CSL unit is equal to?
(A) 1.3 times the mass of the sun
(B) 1.6 times the mass of the sun
(C) 1.2 times the mass of the sun
(D) 1.4 times the mass of the sun
Railway tracks are banked on carves so that?
(A) Train may not fall down inwards.
(B) Necessary centripetal force may be obtained from the horizontal component of the normal reaction due to track.
(C) Non Frictional force may be produced between the wheels and the tracks.
(D) All of the above
A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration of the particle is?
(A) 0
(B) v/r
(C) v/r2
(D) v2/r
To open a door easily the handle should be fixed?
(A) In the middle
(B) Away from mid-point opposite
(C) Near the hinges
(D) All are correct
Which conservation principle is applicable in the case of the motion of rocket?
(A) Conservation of Energy
(B) Conservation of Momentum
(C) Conservation of Mass
(D) Conservation of Charge
A person is hurt on kicking a stone due to?
(A) Reaction
(B) Velocity
(C) Momentum
(D) Inertia
Newton’s first law of motion gives the concept of?
(A) Momentum
(B) Energy
(C) Work
(D) Inertia