Question

Name the quantity whose unit is light year?​

Answer 1

DISTANCE

It is the distance travelled by light in one year

Velocity of light = 3 × 10⁸

Time = 1 year = 365 × 24 × 60 × 60 sec

Now,

Required distance = Velocity× Time

1 light year = 3 × 10⁸ × 365 × 24 × 60 × 60

1 light year = 9.461 × 10¹⁵ m

Answer 2

Answer: The answer is speed of light.

Explanation: The quantity Light year refers to the distance covered by light in a term or time of 1 year.

Hope this helps!