Home
Class 11
PHYSICS
Describe a method to measure the diamete...

Describe a method to measure the diameter of the moon or any planet.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • Units and Measurements

    SL ARORA|Exercise Exercise|499 Videos

  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

  • VECTORS

    SL ARORA|Exercise Problems For Self Practice|56 Videos

Similar Questions

Explore conceptually related problems

Describe a method to measure distance of a hill.

Describe a method to measure the height of an inaccessible object like a mountain.

Describe a method for refining nickel.

The moon's distance from the earth is 360000 km and its diameter substends an angle of 42 at the eye of the observer. The diameter of the moon in kilometers is

The acceleration due to gravity on the surface of the moon is (1)/(6)th of that on the surface of earth and the diameter of the moon is one-fourth that of earth. The ratio of escape velocities on earth and moon will be

SL ARORA-Units and Measurements-Exercise
  1. Describe a method to measure the diameter of the moon or any planet.

    Text Solution

    |

  2. Calculate the number of astronomical units in one metre.

    Text Solution

    |

  3. How many parsec are ther in one metre?

    Text Solution

    |

  4. How many metre are there in a light year?

    Text Solution

    |

  5. The density of air is 1.293 kg /m^3. Express it in cgs units.

    Text Solution

    |

  6. Express an acceleration of 10ms^(-2) in km h^(-2)

    Text Solution

    |

  7. If a mass of a proton is 1.67xx10^(-27)kg, how many protons will be pr...

    Text Solution

    |

  8. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  9. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  10. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  11. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  12. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  13. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  14. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  15. Write the order of magnitude of the following : (i) 8 (ii) 49 (...

    Text Solution

    |

  16. What is one astronomical unit ? Express it in metres . Write its or...

    Text Solution

    |

  17. What is the order of magnitude of second in a day ?

    Text Solution

    |

  18. In a submarine fitted with a SONAR, the time between the genretaion of...

    Text Solution

    |

  19. A radar signal is beamed towards a planet and its echo is recived 7 mi...

    Text Solution

    |

  20. A rock under water is 1595 m deep. Find the time in which an ultrasoni...

    Text Solution

    |

  21. The angle of elevation of the top of a hill is 30^(@) from a point on ...

    Text Solution

    |