901. If the body of mass 2kg moving with 15m/s collides with a stationary body of mass. Then after elastic collision, the 2nd body will move with the velocity of?
(A) 2 m/s
(B) 10 m/s
C) 15 m/s
(D) 20 m/s
902. Kinetic energy is conserved in?
(A) All collision
B) Elastic collision
(C) In-Elastic collision
(D) None of the above
903. Identify vector quantity from the following?
A) Force
(B) Pressure
(C) Pressure in liquid
(D) Mass of the earth
904. Which among the following is a vector quantity?
(A) Kinetic energy
(B) Potential energy
C) Acceleration
(D) Work
905. The Ratio Between the energy dissipated in some process and the heat that appears as a result is the:
A. Triple Point
B. Specific Heat
C. Kilocalorie
D. Mechanical equivalent of heat
906. The smallest sub-division of a compound that exhibits its characteristics properties is called:
A. An elementary particle
B. An atom
C. A Molecule
D. An element
907. The Energy of the molecular motion appears in form of:
A. Fiction
B. Heat
C. Temperature
D. Potential Energy
908. The physics underlying the operation of a refrigerator most closely resembles the physics underlying:
A. A heat Engine
B. The melting of ice
C. The freezing of water
D. The Evaporation of water
909. The law that governs the force between electric charges bears the name of:
A. Newton
B. Bernoulli
C. Coulomb
D. Ampere
910. The electron volt is a unit of:
A. Charge
B. Potential Difference
C. Energy
D. Momentum
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