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Question

Distance travelled by light in one year is called __________.


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Solution

  1. Distance travelled by light in one year is called A light-year.
  2. A light-year the maximum distance light can travel in a year. Light travels at a speed of around 300,000km/s.. So it can travel around 10trillionkilometres in a year.
  3. A light-year is 9,500,000,000,000kilometres in length.

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