Multiple choice

The time taken by light to reach the earth from the sun is

  1. 8 hrs 20 secs

  2. 8 min 20 secs

  3. 8 seconds

  4. 20 seconds
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Light travels from the Sun to the Earth at a speed of approximately 300,000 km/s. The average distance is 150 million km, resulting in a travel time of about 500 seconds, which is 8 minutes and 20 seconds.

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