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प्रश्न
The speed of light is 299, 792, 458 ms−1
(a) with respect to the earth
(b) with respect to the sun
(c) with respect to a train moving on the earth
(d) with respect to a spaceship going in outer space.
उत्तर
(a), (b), (c) and (d)
The speed of light is a fundamental constant, and with respect to any inertial frame, it is independent of the motion of the light source.
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