A. chance of collision
B. force acting
C. velocity
D. impulse
Related Mcqs:
- The collision between two bodies be elastic if bodies are_________________?
A. solid and soft
B. soft and elastic
C. solid and hard
D. hard and elastic - When collision between the bodies in a system is inelastic in nature then for system ____________________?
A. momentum changes but K.E remain conserve
B. K.E changes but momentum remain conserve
C. both momentum and K.E changes
D. both momentum and K.E remain conserve - When we excite some atoms by heat collision or electrical discharge they will________________?
A. radiate electromagnetic energy with a continuous distribution of wavelength
B. absorb particular wavelengths when white light is incident on them
C. radiate electromagnetic energy of discrete characteristic wavelength
D. emit either invisible or visible light - Compton effect proves the________________?
A. Photon theory of light
B. Dual nature of light
C. Wave nature of light
D. Uncertain nature of light - Taking off rocket can be explained by __________________?
A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. law of conservation of energy - A body is moving with uniform velocity. Its______________________?
A. speed changes
B. acceleration changes
C. direction of motion changes
D. displacement from origin changes - When a body moves in a straight line then its displacement coincides with__________________?
A. distance
B. force
C. acceleration is zero
D. both A and B - The dimension of force is____________________?
A. MLT-2
B. ML2T-2
C. ML2T2
D. ML-2T-2 - A body is falling freely under gravity. How much distance it falls during an interval of time between 1st and 2nd seconds of its motion, taking g=10 ?
A. 15 m
B. 20 m
C. 5 m
D. 25 m - The distance covered by a body in time t starting from rest is__________________?
A. at2/2
B. Vt
C. a2t/2
D. at2
