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Is light year a unit of time ?

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No, light year is a unit of distance.

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Updated on:21/07/2023
Class 11PHYSICSPHYSICAL WORLD

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  • Question 1 - Select One

    1 light year =

    A9.46×1015 m,
    B94×1015 m
    C3.08×1016 m
    DNone of these.
  • Question 1 - Select One

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

    AStatement-1 is true and statement -2 is true
    BStatement -1 is true and statement-2 is false
    CStatement-1 is false and statement -2 is true
    DStatement-1 is false and statement -2 is false
  • Question 1 - Select One

    Light year is unit of :

    ATime
    BSpeed
    CDistance
    Dnone of these
  • Question 1 - Select One

    Light year is a unit of

    ATime
    BSpeed
    CDistance
    Dnone of these
  • Question 1 - Select One

    Light year is a unit of

    ATime
    BMass
    CDistance
    DEnergy
  • Question 1 - Select One

    Consider the following statements.
    I. Loudness of sound is measured in decibel (dB).
    II. Quality of sound is related to the wavefront.
    III. Loudness of sound is related to amount of sound passing each second through unit area in medium.
    IV. Light year is the unit of time.
    Which of the statement (s) is /are true ?

    AI, II and IV
    BI,III and IV
    CI and III
    DI, II and III
  • Question 1 - Select One

    Light year is a unit of measurement of

    Avery large distances
    Btime interval in years
    Camount of light received on earth in a year
    Dmass of atoms
  • Question 1 - Select One

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

    Aonly b
    Bonly d
    Cb and d both
    Donly c

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