Question

In how many seconds does the light from the sun takes to reach the earth?
1. 300 seconds
2. 120 seconds
3. 500 seconds
4. 360 seconds

Answer 1

Correct Answer - Option 3 : 500 seconds

The Correct Answer is Option 3 i.e 500 seconds.

• Sun:
  • It is in the center of the Solar System.
  • It is the nearest star to the Earth.
  • It is an ultimate source of energy for life on Earth.
  • It is composed of 71% Hydrogen, 26.5% Helium, and 2.5% other elements.
  • Hydrogen and Helium are the main gases present in the Sun.
  • The surface temperature of the Sun is about 5778 K.
  • The outer layer of the sun's atmosphere made up of thin hot gases is called Corona.
  • The sun is about 150 million km away from Earth.
  • Light at the speed of 3,00,000 km per second takes about 8 minutes and 20 seconds (500 seconds) to reach the Earth from the Sun.