Q.1)-What should a person do on a freely rotating turn-table to decreases his angular speed?
  • Brings his hands together
  • Raises his hands up
  • Spreads his hands outward
  • Sits down with raised hands
Q.2)-Which of the following particle has maximum mometum, if all particles are moving with a same speed?
  • Electron
  • Proton
  • Deuteron
  • Alpha prticle
Q.3)-Which of the following law of conservation applicable on the motion of a rocket?
  • Conservation of mass
  • Conservation of charge
  • Conservation of momentum
  • Conservation of energy
Q.4)-When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
  • Four times
  • Two times
  • Half
  • One-fourth
Q.5)-The dimension of which of the following is the same as that of impulse?
  • Volume
  • Momentum
  • Torque
  • Change in the rate of momentum
Q.6)-Rain drops fall from great height.Which among the following statements is true regarding it?
  • They fall with that ultimate velocity, which are different for different droplets
  • They fall with same ultimate velocity
  • Their velocity increases and they fall with different velocity on the earth
  • Their velocity increase and they fall with same velocity on the earth
Q.7)-Whil,e catching a ball, a player pulls down his hands to lower the
  • Force
  • Momentum
  • Impulse
  • Catching time
Q.8)-If the velocity time graph of a particle is represented by y=mt+c, then the particle is moving with
  • Constant speed
  • Constant velocity
  • Constant acceleration
  • Varying acceleration
Q.9)-The swing of a spinning cricket ball in air can be explained on the basis of
  • Sudden change in wind direction
  • Buoyancy of air
  • Turbulence caused by wind
  • Bernoulli's theorem
Q.10)-The spokes used in the wheel of a bicycle increase its
  • Moment of inertia
  • Velocity
  • Acceleration
  • Momentum