Question

1 point
39. Which of the following
physical quantities has light
year as its unit? *
O(a) Time
O (b) Intensity of light
O (c) Distance
O (d) Illumination​

Answer 1

Answer:

c) Distance

Explanation:

Light year is an unit used to measure the distance of astronomical bodies .

Answer 2

Answer:

(c) - Distance

Explanation:

Light year is unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of . So in one year it can travel about 10 trillion kilometers. More precisely 1 light year It is abbreviated by light year. It is often used to measure distance of stars.