MCQ
Value of one light year distance:
- A9.46 x 1010 km
- ✓9.46 x 1012 km
- C9.46 x 1012 m
- D9.46 x 1015 cm
✓
Answer
Correct option: B.
9.46 x 1012 km
B
$\begin{aligned} \text { One light year } & =3 \times 10^8 \times 365 \times 24 \times 60 \times 60 \mathrm{~m} \\ & =9.46 \times 10^{15} \mathrm{~m} \\ & =9.46 \times 10^{12} \mathrm{~km}\end{aligned}$
$\begin{aligned} \text { One light year } & =3 \times 10^8 \times 365 \times 24 \times 60 \times 60 \mathrm{~m} \\ & =9.46 \times 10^{15} \mathrm{~m} \\ & =9.46 \times 10^{12} \mathrm{~km}\end{aligned}$
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