Question

    Lightyearisaunitof-

    A time Correct Answer Incorrect Answer
    B distance Correct Answer Incorrect Answer
    C light Correct Answer Incorrect Answer
    D intensity of light Correct Answer Incorrect Answer

    Solution

    A light-year is a unit of distance. Itisthedistancethatlightcantravelinoneyear. Light moves at a velocity of about 300,000 kilometers (km) each second.

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