Question

answer of 53

Q53. The star Proxima Centauri is 4.01 × 10¹³ km-from Earth. If 1 Light Year is 9.46 × 10¹² km, what is the distance to Procima Centauri in Light Years?

(1) 4.24 Light Years

(2) 30.64 Light Years

(3) 49.56 Light Years

(4) 13.47 Light Years

Answer 1

Dear Student,
$$\begin{gathered} 1lightyear=9.46\times {10}^{12}km \\ thennooflightyearsin4.01\times {10}^{13}km \\ =\frac{4.01\times {10}^{13}km}{9.46\times {10}^{12}km}=4.24lightyears \end{gathered}$$
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