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  1. Light year measures which of the following ?
    1. Intensity of Light
    2. Mass
    3. Time
    4. Distance
Correct Option: D

NA


Comments

  1. SANTOSH KUMAR

    June 21, 2018 Reply

    Light year specifies distance traveled by light in a year. 1 light year = 9.46 X 10^12 km.

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