Question

.Which of the following pair is

INCORRECT?

I. Parsec - Distance

II. Barrel - Liquid

III. Light year - Time

A. Only III

B. Only I and III

C. Only II

D. All are correct​

Answer 1

Ans. A

Sol. Light year is the measure of distance

and not that of time. It actually means

the distance which the light can cover in

a year. Based on the definition, one light

year equals to 95*1011 Kilometers.

Answer 2

C.Only II


Because a light year is the measure of how much distance light covers in a year and is not a measure of time.