Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 10 J 20 J 25 J 40 J 10 J 20 J 25 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Centripetal force Centrifugal force Moment of force Centre of gravity Centripetal force Centrifugal force Moment of force Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 2.0958333333333 0.12847222222222 0.21041666666667 1.0479166666667 2.0958333333333 0.12847222222222 0.21041666666667 1.0479166666667 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time Only I and III Only III All are correct Only II Only I and III Only III All are correct Only II ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be 2P < P > P P 2P < P > P P ANSWER DOWNLOAD EXAMIANS APP