Home
Class 12
PHYSICS
A planet revolves about the sun in an el...

A planet revolves about the sun in an elliptical orbit of semi-major axis `2xx10^(12) m`. The areal velocity of the planet when it is nearest to the sun is `4.4xx10^(16) m//s`. The least distance between the planet and the sun is `1.8xx10^(12) m//s`. The minimum speed of the planet in `km//s` is `10 K`. determine the value of `K`.

A

`v_("min") = 40 kmS^(-1)`

B

`v_("min") = 30 kmS^(-1)`

C

`v_("min") = 10 kmS^(-1)`

D

`v_("min") = 20 kmS^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 40

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 42

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

A planet revolves around the sun in elliptical orbit of semimajor axis 2 × 10^(12 ) m. The areal velocity of the planet when it is nearest to the sun is 4.4 × 10^(16) m^(2)/ /s . The least distance between planet and the sun is 1.8 × 10^(12) m. Find the minimum speed of the planet in km/s.

A planet of mass m is moving around the sun in an elliptical orbit of semi-major axis a :

A planet revolves about the sun in elliptical orbit. The arial velocity ((dA)/(dt)) of the planet is 4.0xx10^(16) m^(2)//s . The least distance between planet and the sun is 2xx10^(12) m . Then the maximum speed of the planet in km//s is -

The time taken by the earth to complete one revolution around the sun is 3.156 xx 10^(7) s . The distance between the earth and the sun is 1.5 xx 10^(11) m. Find the speed of revolution of the earth.

The earth revolves about the sun in an elliptical orbit with mean radius 9.3xx10^(7) m in a period of 1 year. Assuming that there are no outside influences

The distance of two planets from the sun are 10^(13) and 10^(12) m respectively. The ratio of the periods of the planet is

NTA MOCK TESTS-NTA JEE MOCK TEST 41-PHYSICS
  1. The figure below shows a block of mass M connected to an ideal string ...

    Text Solution

    |

  2. A magnetic compass needl oscillates 30 times per minute at a place whe...

    Text Solution

    |

  3. A planet revolves about the sun in an elliptical orbit of semi-major a...

    Text Solution

    |

  4. An ideal monoatomic gas undergoes an expansion from state A to state B...

    Text Solution

    |

  5. Two long coaxial solenoids of radius R and 2R have equal number of tu...

    Text Solution

    |

  6. In an experiment to determine the resistance of a galvanometer by half...

    Text Solution

    |

  7. A particle of mass'm' is projected with velocity v(0) at an angle 'alp...

    Text Solution

    |

  8. A thin uniform equilateral plate rests in a vertical plane with one of...

    Text Solution

    |

  9. The intensity of gamma - radiation from a given source is I. On passin...

    Text Solution

    |

  10. A photoelectric surface is illuminated successively by monochromatic l...

    Text Solution

    |

  11. The ratio of surface tensions of mercury and water is given to be 7.5 ...

    Text Solution

    |

  12. Light is incident normally on face AB of a prism as shown in Figure. A...

    Text Solution

    |

  13. A spool of mass M = 3 kg and radius R = 20 cm has an axle of radius r ...

    Text Solution

    |

  14. A zener diode has a contact potential of 1 V in the absence of biasi...

    Text Solution

    |

  15. Two rods A and B of identical dimensions are at temperature 30^(@)C. I...

    Text Solution

    |

  16. If L,C and R denote the inductance, capacitance and resistance respect...

    Text Solution

    |

  17. A ray of light is incident at an angle of 45^@ (ralative to the normal...

    Text Solution

    |

  18. Two sound waves of wavelengths 98cm and 100cm arrive at the same point...

    Text Solution

    |

  19. The figure shows an RC circuit with a parallel plate capacitor. Before...

    Text Solution

    |

  20. A power transmission line feeds input power at 2400V to a step-down tr...

    Text Solution

    |