Home
Class 11
PHYSICS
Is light year a unit of time ?...

Is light year a unit of time ?

Text Solution

Verified by Experts

No, light year is a unit of distance.
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

What do you mean by a light year? Is a light year unit of time or a unit of length?

Statement-1: Light year is a unit of time Statement-2: Light year is the distance traveled by light in vacuum in one year.

Light year is a unit of

Light year is the unit of time

Which of the following are not a unit of time ? (a) second (b) parsec ( c) Year (d) Light year

PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Very short Answer Questions
  1. Write in ascending order : light year, astronomical unit, par sec.

    Text Solution

    |

  2. What is represented by 1 bar ? What is its value in SI units ?

    Text Solution

    |

  3. Is light year a unit of time ?

    Text Solution

    |

  4. Express the average distance of earth from the sun in (i) light year (...

    Text Solution

    |

  5. Which unit is used for measuring nuclear area of cross-section ?

    Text Solution

    |

  6. What is the order of magnitude of 499 and 0.050 ?

    Text Solution

    |

  7. What is the order of magnitude of radius of earth ?

    Text Solution

    |

  8. What is the estimated size of aboservable universe ?

    Text Solution

    |

  9. What is the average distance of moon from earth ?

    Text Solution

    |

  10. Which insturment is used for measuring distance upto 10^(-4)m ?

    Text Solution

    |

  11. How far away is the nearst star alpha centuri from earth ?

    Text Solution

    |

  12. Name the device that can be used to measure the number of wavelengths ...

    Text Solution

    |

  13. What does the word LASER stand for ?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  19. What is the order of mass fo uiverse.

    Text Solution

    |

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

    Text Solution

    |