Question

II. Light year is the unit of

(a) intensity of light (b) distance

(c) velocity (d) time
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Answer 1

Answer:

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Explanation:

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Answer 2

Hint: A light-year is a unit of distance, not time. A light-year is how astronomers measure distance in space. It's defined by how far a beam of light travels in one year – a distance of six trillion miles. Think of it as the bigger, badder cousin of the inch, the mile, the kilometer, and the furlong.