Home
Class 11
PHYSICS
(A): Mass and energy are not conserved s...

(A): Mass and energy are not conserved separately, but are conserved as a single entity called mass - energy.
. (R): Mass and energy conservation can be obtained by Einstein equation for energy

A

Both .A. and .R. are true and .R. is the correct explanation of .A.

B

Both .A. and .R. are true and .R. is not the correct explanation of .A.

C

A. is true and .R. is false

D

A. is false and .R. is true

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise EXERCISE - II (SCALARS (OR) DOT PRODUCT)|9 Videos

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise EXERCISE - II (WORK)|20 Videos

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (PERFECTLY INELASTIC COLLISIONS)|5 Videos

  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

Similar Questions

Explore conceptually related problems

What is conservation of energy ?

Law of conservation of mass was proposed by

State the principle of conservation of energy.

Is the mechanical energy conserved in the system ?

Explain the law of conservation of energy .

What is the law of conservation of mass according to chemical equation?

AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - I
  1. Two spheres A and B collide. If the momentum of A is doubled in the co...

    Text Solution

    |

  2. Internal forces can change

    Text Solution

    |

  3. (A): Mass and energy are not conserved separately, but are conserved a...

    Text Solution

    |

  4. Two bodies A and B of masses m, and m, moving with velocities V(1) and...

    Text Solution

    |

  5. Two particles of equal masses have an elastic collision, the target pa...

    Text Solution

    |

  6. . A bullet hits a block at rest on a frictionless horizontal surface a...

    Text Solution

    |

  7. A heavier sphere moving eastward with a certain velocity .v. collides ...

    Text Solution

    |

  8. When a ball hits a floor and rebounds after an inelastic collision,

    Text Solution

    |

  9. Coefficient of restitution depends upon

    Text Solution

    |

  10. Two particles of different masses collide head on. Then for the system

    Text Solution

    |

  11. A particle moving with certain velocity collides elastically with anot...

    Text Solution

    |

  12. Two bodies of equal masses moving mutually at right angles to each oth...

    Text Solution

    |

  13. During the collision a relatively large force acts on each colliding p...

    Text Solution

    |

  14. Choose the wrong statement

    Text Solution

    |

  15. Which of the following is an example of completely inelastic collision

    Text Solution

    |

  16. . During head on elastic collision, two bodies of masses m(1) and m(2)...

    Text Solution

    |

  17. (A) : Collision between two particles is not necessarily associated wi...

    Text Solution

    |

  18. A sphere of mass M,, moving with a velocity V0 collides head on with a...

    Text Solution

    |

  19. Let us assume that you have lifted a suitcase and kept it on a table. ...

    Text Solution

    |

  20. No work is done by a force on an object if a) the force is always p...

    Text Solution

    |