Question

Light travels 3*10^8 metre in a second . Is it velocity or speed?Give reason

Answer 1

Answer:

it is speed

Explanation:

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Answer 2

Answer:

SPEED

Explanation:

We call it the speed of light because light doesn't always have the same direction, and therefore light does not always have the same velocity.

Velocity is a vector quantity. Thus it depends on direction of moving particle.

While light travels in a straight-line path, these paths can be in different directions and therefore the velocity of light is not constant.

Therefore, it was called speed but not velocity.