Home
Class 12
PHYSICS
Potential energy is defined...

Potential energy is defined

A

Only in conservative fields

B

As the negative of work done by conservative forces

C

As the negative of workdone by eternal force when `DeltaK=0`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - B)|35 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - C)|80 Videos

  • WORK, ENERGY AND POWER

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|37 Videos

  • WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

A block of mass 2 kg is kept at origin at t = 0 and is having velocity 4sqrt5m//s in positive x - direction. The only force on it is a conservative and its potential energy is defined as U=-x^(3)+6x^(2)+15 (SI units). Its velocity when the force acting on it is minimum (after the time t = 0 ) is

Potential energy is converted into kinetic energy by

A: The value of potential energy depends on the reference taken for zero potential energy . R : The value of change in potential energy is independent from reference level .

A body is executing simple harmonic motion. At a displacement x, its potential energy is E_1 and a displacement y, its potential energy is E_2 . The potential energy E at a displacement (x+y) is

A body is performing SHM At a displacement X_1 , its potential energy is 4 J and at a displacement X_2 , its potential energy is 9 J. The potential energy at a displacement (X_1 + X_2) is

Which of the following statemente is / are INCORRECT? (a) Mechanical energy is the sum of kinetic energy and potential energy. (b) Potential energy is a relative quantity. It depends on the choice of reference point. (c ) Kinetic energy must be non negative. (d) Potential energy must be postive.

A : The potential energy can be defined only in conservative field. R : The value of potential energy depends on the reference level (level of zero potential energy).

Define mechanical energy and law of conservation of mechanical energy. Prove conversion of gravitational potential energy in to kinetic energy by the help of law of conservation of mechanical energy. Also draw graph between energy and height.

Assuming potential energy 'U' at ground level to be zero. All objects are made up of same material :- {:(U_(P) = "Potential energy of solid sphere",U_(Q) = "Potential energy of solid cube",),(U_(R ) = "Potential energy of solid cone",U_(S) = "Potential energy of solid cylinder",):}

Assuming potential energy 'U' at ground level to be zero. All objects are made up of same material :- {:(U_(P) = "Potential energy of solid sphere",U_(Q) = "Potential energy of solid cube",),(U_(R ) = "Potential energy of solid cone",U_(S) = "Potential energy of solid cylinder",):}

Home
Profile