Home
Class 11
PHYSICS
Assertion : If a particle is projected f...

Assertion : If a particle is projected from the surface of earth with velocity equal to escape velocity, then total mechanical energy is zero
Reason : Total mechanical energy of any closed system is always negative.

A

If both Assertin and Reason are correct and Reason is the correct explanation of Assertion

B

If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion

C

If Assertion is true but Reason is false

D

If Assertion is false but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    DC PANDEY|Exercise (C) Chapter Exercises|45 Videos
  • GRAVITATION

    DC PANDEY|Exercise (A) Chapter Exercises|68 Videos
  • GENERAL PHYSICS

    DC PANDEY|Exercise INTEGER_TYPE|2 Videos
  • KINEMATICS

    DC PANDEY|Exercise INTEGER_TYPE|11 Videos

Similar Questions

Explore conceptually related problems

A projectile is launched from the surface of earth with a velocity less than the escape velocity. Its total mechanical energy is

Change in total energy of the system is equal to

A particle on earth's surface is given a velocity euqal to its escape velocity. Its total mechanical energy with zero potential energy reference at infinite separation will be:

In the above problem, find total mechanical energy of the system .

The value of total mechanical energy of a particle is SHM is

The escape velocity of a body from the surface of the earth is equal to

The escape velocity of a body from the surface of earth is

A particle of mass m is projected upwards from the surface of the earth with a velocity equal to half the escape velocity. (R is radius of earth and M is mass of earth)Calculate the potential energy of the particle at its maximum. Write the kinetic energy of the particle when it was at half the maximum height.

The escape velocity of a particle of a particle from the surface of the earth is given by

DC PANDEY-GRAVITATION-(B) Chapter Exercises
  1. Assertion : If radius of earth suddenly shrinks to half its present wi...

    Text Solution

    |

  2. Assertion : The centres of two cubes of masses m(1) and m(2) are separ...

    Text Solution

    |

  3. Assertion : If a particle is projected from the surface of earth with ...

    Text Solution

    |

  4. Assertion : On earth's satellite, we feel weightlessness. Moon is also...

    Text Solution

    |

  5. Assertion : The centre of semicircular ring of mass m and radius R is...

    Text Solution

    |

  6. Assertion : If the projuct of surface area and density is same for bot...

    Text Solution

    |

  7. Assertion : Areal velocity of a planet around of surface area and dens...

    Text Solution

    |

  8. Assertion : Mass of the rod AB is m(1) and of particle P is m(2). Dist...

    Text Solution

    |

  9. Assertion : Four point masses each of mass m are placed at points 1, 2...

    Text Solution

    |

  10. Assertion : Let W(1) be the work done in taking away a satellite from ...

    Text Solution

    |

  11. Assertion : Two spherical shells have masses m(1) and m(2). Their radi...

    Text Solution

    |

  12. Match the following {:(,"Column-I",,"Column-II"),("(A)","Kepler's fi...

    Text Solution

    |

  13. Density of a planet is two times the density of earth. Radius of this ...

    Text Solution

    |

  14. On the surface of earth acceleration due gravity is g and gravitationa...

    Text Solution

    |

  15. Let V and E denote the gravitational potential and gravitational field...

    Text Solution

    |

  16. Two concentric spherical shells are as shown in figure. Match the foll...

    Text Solution

    |

  17. Match of following columns {:(,"Column-I",,"Column-II"),("(A)",under...

    Text Solution

    |

  18. A particle is projected from the surface of earth of mass M and radius...

    Text Solution

    |

  19. In elliptical orbit of a planet, as the planet moves from apogee posit...

    Text Solution

    |

  20. Match the following columns {:(,"Column-I",,"Column-II"),("(A)",unde...

    Text Solution

    |