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The rubber ball suffers greater change in momentum
The metal ball suffers greater change in momentum
Both suffer the same change in momentum
The initial momentum of the rubber ball is greater than that of the metal ball
A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole
A mirage occurs because of
A mirror produces magnified erect image of an object. The nature of the mirror is
A motor running on electricity at the rate of 400 W raises a block of weight 120 N. If the block moves 8 m vertically in 4 s, the efficiency of the motor is
A moving body on Earth ordinarily comes to rest by itself because of the
A moving bullet hits a solid target resting on a frictionless surface and gets embedded in it. What is conserved in this process?
A moving coil instrument can be used to measure
A moving neutron collides with a stationary a - particle. The fraction of the kinetic energy lost by the neutron is
A multimeter is used to measure
A narrow white light beam fails to converge at a point after going through a converging lens. This defect is known as