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  1. Light from the sun reaches earth in about
    1. 2 minutes
    2. 4 minutes
    3. 8 minutes
    4. 16 minutes
Correct Option: C

In about 8 minutes light from the sun reaches the earth.
Time = Distance / Speed
Speed of light in air / vacuum = 3 x 108 ms-1
Distance of the earth from the sun = 1.44 x 1011 m


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