Home
Class 12
PHYSICS
The radius in kilometers, to which the p...

The radius in kilometers, to which the present radius of the earth (R = 6400 km) is to be compressed so that the escape velocity velocity is increased ten times is

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION A|60 Videos
  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos
  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION A)|60 Videos
  • JEE MAIN

    JEE MAINS PREVIOUS YEAR|Exercise All Questions|473 Videos
  • JEE MAIN 2022

    JEE MAINS PREVIOUS YEAR|Exercise Question|492 Videos

Similar Questions

Explore conceptually related problems

The radius of the earth is 6400 km, the order of magnitude is

The radius of the earth is 6400km , what is its capacitance?

The mass of the earth is 9 times that of the mars. The radius of the earth twice that of the mars. The escape velocity of the earth is 12km//s . The escape velocity on the mars is ........ km//s

If the radius of the rarth is 6400 km, then the linear velocity of a point on the equator will be nearly

The mass of the earth is 81 times that of the moon and the radius of the earth is 3.5 times that of the moon. The ratio of the escape velocity on the surface of earth to that on the surface of moon will be

The escape velocity of a body from earth is about 11.2 km/s. Assuming the mass and radius of the earth to be about 81 and 4 times the mass and radius of the moon, the escape velocity in km/s from the surface of the moon will be:

The mass of a planet is six times that of the earth. The radius of the planet is twice that of the earth. It's the escape velocity from the earth is v , then the escape velocity from the planet is:

The escape velocity of a body on an imaginary planet which is thrice the radius of the earth and double the mass of the earth is ( v_(e) is the escape velocity of earth)

Escape velocity on a planet is e v . If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes

JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS (SECTION B)
  1. A parallel plate capacitor whose capacitance C is 14 pF is charged by ...

    Text Solution

    |

  2. The angular speed of truck wheel is increased from 900rpm to 2460 rpm ...

    Text Solution

    |

  3. Two blocks ( m = 0.5 kg and M = 4.5 kg) are arranged on a horizontal f...

    Text Solution

    |

  4. The resistance of the series combination of two resistances is S. When...

    Text Solution

    |

  5. The radius in kilometers, to which the present radius of the earth (R ...

    Text Solution

    |

  6. Four identical rectangular plates with length, l = 2 cm and breadth , ...

    Text Solution

    |

  7. Consider two identical springs each of spring cosntant k and negligibl...

    Text Solution

    |

  8. If 2 .5 xx 10^(-6) N average force is exerted by a light wave on a non...

    Text Solution

    |

  9. For VHF signal broadcasting "" km^(2) of maximum service area will be ...

    Text Solution

    |

  10. The following bodies, (1) a ring (2) a disc (3) a solid cylinder...

    Text Solution

    |

  11. Consider a water tank as shown in the figre. It's cross-sectional area...

    Text Solution

    |

  12. A galaxy is moving away from the earth at a speed of 286kms^(-1). The ...

    Text Solution

    |

  13. The typical output characteristics curve for a transistor working in t...

    Text Solution

    |

  14. An infinte number of point charges, each caryying 1muC charge, are pla...

    Text Solution

    |

  15. Consider a 72 cm long wire AB as shown in the figure. The galvonometer...

    Text Solution

    |

  16. A ball of mass 4kg, moving with a velocity of 10ms^(-1), collides with...

    Text Solution

    |

  17. Two wires of same length and thickness having specific resistance 6 Om...

    Text Solution

    |

  18. A TV transmission tower antenna is at a height of 20m. Suppose that th...

    Text Solution

    |

  19. The radius of a sphere is measured to be (7.50 + 0.85) cm. Suppose the...

    Text Solution

    |

  20. The projectile motion of a particle of mass 5g is shown in the figure ...

    Text Solution

    |