Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Work Energy and Power question

2024 · Q159
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Work Energy and Power
  5. /2024 · Q159

Work Energy and Power question

2024 · Q159

NEETPhysicsWork Energy and PowerMCQ+4 / −1

An object falls from a height of 10 m10 \mathrm{~m}10 m above the ground. After striking the ground it loses 50%50 \%50% of its kinetic energy. The height upto which the object can rebounce from the ground is:

  1. A
    7.5 m7.5 \mathrm{~m}7.5 m
  2. B
    10 m10 \mathrm{~m}10 m
  3. C
    2.5 m2.5 \mathrm{~m}2.5 m
  4. D
    5 m5 \mathrm{~m}5 m
PreviousNext

More from Work Energy and Power

  • A particle moves with a velocity (5i^−3j^​+6k^) ms−1 horizontally under the action of constant force (10i^+10j^​+20k^)N. The instantaneous power…2023 · MCQ
  • The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm, potential energy stored in it will be :2023 · MCQ
  • The restoring force of a spring with a block attached to the free end of the spring is represented by2022 · MCQ
  • An electric lift with a maximum load of 2000 kg (lift + passengers) is moving up with a constant speed of 1.5 ms−1. The frictional force opposing the motion is 3000 N. The minimum power delivered by the motor to the lift in watts is : (g…2022 · MCQ
  • The energy that will be ideally radiated by a 100 kW transmitter in 1 hour is2022 · MCQ
  • A particle is released from height S from the surface of the Earth. At a certain height its kinetic energy is three times its potential energy. The height from the surface of earth and the speed of the particle at that instant are…2021 · MCQ
  • Water falls from a height of 60m at the rate of 15 kg/s to operate a turbine. The losses due to frictional force are 10% of the input energy. How much power is generated by the turbine? (g = 10 m/s2)2021 · MCQ
  • A force F = 20 + 10y acts on a particle in y-direction where F is in newton and y in meter. Work done by this force to move the particle from y = 0 to y = 1 m is :2019 · MCQ