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NEET UG Energy Transfer in Systems — practice questions

Explore 29 free Energy Transfer in Systems questions in NEET UG Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Energy Transfer in Systems questions and exercises with answers

Showing questions 1–29 of 29.

Power is defined as the time rate at which work is done or energy is:Read the answer and worked solution →A person is called physically fit for climbing four floors:Read the answer and worked solution →The average power of a force is the ratio of the work done to the:Read the answer and worked solution →Instantaneous power is the limiting value of average power as the time interval approaches:Read the answer and worked solution →The work done by a force F over a small displacement dr is written as:Read the answer and worked solution →Deformation during a collision is visualised in terms of a compressed:Read the answer and worked solution →A collision in which the spring regains its shape without energy loss is:Read the answer and worked solution →In an elastic collision, the kinetic energy during the collision time is:Read the answer and worked solution →Two bodies moving together after colliding have undergone a collision that is:Read the answer and worked solution →In a completely inelastic collision, the deformation is:Read the answer and worked solution →The intermediate case, with some kinetic energy lost, is called:Read the answer and worked solution →Which type of collision is described as the more common in practice?Read the answer and worked solution →In an inelastic collision, the deformation is relieved:Read the answer and worked solution →The quantity found from the rebound height of a dropped ball is the coefficient of:Read the answer and worked solution →In the ball drop experiment, the ball dropped first is the:Read the answer and worked solution →Power has units of energy divided by:Read the answer and worked solution →Average power tells you the power over an interval that is:Read the answer and worked solution →Instantaneous power can also be expressed using force and:Read the answer and worked solution →The final kinetic energy equals the initial kinetic energy only in a collision that is:Read the answer and worked solution →Bodies that move together after impact have velocities that are:Read the answer and worked solution →The two extremes of collision types are elastic and:Read the answer and worked solution →True or false on power and collisionsRead the answer and worked solution →Quick picks on power and collisionsRead the answer and worked solution →Match each collision to its markRead the answer and worked solution →Elastic or completely inelasticRead the answer and worked solution →Average or instantaneous powerRead the answer and worked solution →Find the coefficient of restitutionRead the answer and worked solution →Fill the gaps on power and collisionsRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

Power is defined as the time rate at which work is done or energy is:

  1. Transferred
  2. Destroyed
  3. Generated
  4. Stored up
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Correct answer: A. Transferred

1. Power measures how quickly something happens. 2. It concerns work done or energy moved per unit time. 3. So it is the rate at which energy is transferred. _Source: syllabus Physics Part I, Chapter 6, Work, Energy and Power._

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A person is called physically fit for climbing four floors:

  1. Twice
  2. Fast
  3. Slowly
  4. Once
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Correct answer: B. Fast

1. Simply reaching the top is not the whole test. 2. How quickly it is done matters too. 3. So fitness means climbing them fast. _Source: syllabus Physics Part I, Chapter 6, Work, Energy and Power._

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The average power of a force is the ratio of the work done to the:

  1. Total time
  2. Total mass
  3. Total distance
  4. Total force
Show answer and solution

Correct answer: A. Total time

1. Power averages the work over the interval it took. 2. Work is divided by the duration. 3. So average power is work over total time. _Source: syllabus Physics Part I, Chapter 6, Work, Energy and Power._

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