Speed of light is $3 \times 10^{8}$ m/s. Distance travelled in 1 minute is

Speed of light is $3 \times 10^{8}$ m/s. Distance travelled in 1 minute is
  1. $1.8 \times 10^{10}$ m
  2. $1.8 \times 10^{9}$ m
  3. $3 \times 10^{60}$ m
  4. $1.8 \times 10^{8}$ m

Solution

$3 \times 10^{8} \times 60 = 180 \times 10^{8} = 1.8 \times 10^{10}$ m.

Asked in: NSO

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