What is the speed of light (in vacuum)?
enter the value in kilometers per second using at least 2 significant digits
Answer)
Speed of light in vacuum or air is same. It is equivalent to 3.00 × 108 m/s
Now, to convert it into kilometers per second we will divide it by 1000
So, (3.00 × 108)/1000 = 3.00 × 105 km/s
Which is the required answer.
Hope this helps you !!!
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