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How many kilometers make one light year?

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in Physics – Class 11 by (74.2k points)
How many kilometers make one light year?

(a) 9.4607 × 10^12 km

(b) 9.4607 × 10^9 km

(c) 9.4607 × 10^11 km

(d) 9.4607 × 10^10 km

This question was addressed to me by my college director while I was bunking the class.

Question is from Measurement of Length in section Units and Measurements of Physics – Class 11

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The correct answer is (d) 9.4607 × 10^10 km

The explanation: One Light year is equal to 9.4607 × 10^12 km. In miles, it can be represented as nearly 6 million million miles.

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