1 light year =?
FPSC Past Papers / All - Multiple-choice practice
ایک نوری سال کس کے برابر ہوتا ہے؟
- A. 8.46 trillion km
- B. 7.46 trillion km
- C. 9.46 trillion km
- D. 6.46 trillion km
Correct answer
9.46 trillion km
Explanation
Explanation Detailed Answer One light year is equal to the distance that light travels in one year (it is about ten trillion kilometers or six trillion miles ). A light year is a unit of distance. The distance light travels in one year is known as light year. A light-year is a unit of length used to express astronomical distances and measures about 9.46 trillion kilometers (9.46 x 1012 km) or 5.88 trillion miles (5.88 x 1012 mi)
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