26-04-2017
Physics

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Which statement is correct? Select one:
A. Light, in a vacuum, travels at the same speed even if the light source is moving. B. Light given off from a moving source will travel faster in a vacuum.
C. Light given off from a moving source will travel faster in air.
D. Light, in a vacuum, travels slower if the light source is moving.

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Ladybuggy Ladybuggy

26-04-2017

The answer is A because the speed of light is constant in vacuum and unaffected by the speed of the source emitting the light

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