Home
Class 11
PHYSICS
What is the order of size of out galaxy ...

What is the order of size of out galaxy ?

Text Solution

Verified by Experts

Size of our galaxy is of the order of `10^(20)` metre.
Promotional Banner

Topper's Solved these Questions

  • PHYSICAL WORLD AND MEASUREMENT

    PRADEEP|Exercise Short Answer Question 2 marks|8 Videos

  • PHYSICAL WORLD AND MEASUREMENT

    PRADEEP|Exercise Short Answer Questions|25 Videos

  • PHYSICAL WORLD AND MEASUREMENT

    PRADEEP|Exercise Long Answer Questions 5 marks|16 Videos

  • OSCILLATIONS AND WAVES

    PRADEEP|Exercise multiple choice Questions|13 Videos

  • PROPERTIES OF BULK MATTER

    PRADEEP|Exercise Multiple choice questions|7 Videos

Similar Questions

Explore conceptually related problems

The order of size is :

what should be the order of size of obstacle/aperture for diffrection of light ?

Our galaxy is

Define diffraction. What should be the order of the size of the aperture to observe diffraction.

What should be the order of the size of an obstacle or aperture to produce diffraction of light?

What will be the correct order of size for the given elements ?

What is the telescope designed to search for earth-size planets in the nearby region of our galaxy, termed as ?

What is the correct order of towns on the basis of population-size (census 2001) ?

PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
  1. Name the device that can be used to measure the number of wavelengths ...

    Text Solution

    |

  2. What does the word LASER stand for ?

    Text Solution

    |

  3. What is the order of size of out galaxy ?

    Text Solution

    |

  4. What is the order of mean free path of an aire molecule ?

    Text Solution

    |

  5. What is the smallest mass measured indirectly so far?

    Text Solution

    |

  6. How are the pitch and least count of a spherometer related ?

    Text Solution

    |

  7. What is meant by angular diameter of moon ? What is its value?

    Text Solution

    |

  8. What is the order of mass fo uiverse.

    Text Solution

    |

  9. Which technique is used for measuring age of rocks, fossils etc.

    Text Solution

    |

  10. Are there more microseconds in a second than the number of seconds in ...

    Text Solution

    |

  11. Express in scientific notation : (i) 13780 kg (ii) 0.00000523 s

    Text Solution

    |

  12. What is the efficiency of time realisation in cesium atomic clocks ?

    Text Solution

    |

  13. What is the difference between inertial mass and gravitational mass of...

    Text Solution

    |

  14. Which is the world's most accurate clock ? What is its accuracy?

    Text Solution

    |

  15. What is the order of age of the earth ?

    Text Solution

    |

  16. Human life expectancy is of the order of

    Text Solution

    |

  17. What is the order of mass of universe ?

    Text Solution

    |

  18. What is the smallest mass measured indirectly so far?

    Text Solution

    |

  19. Wlidt is the shortest time interval measured indirectly so far ?

    Text Solution

    |

  20. Name the physical quantites having dimensions [M^1 L^2 T^(-2)].

    Text Solution

    |