Question

How does the sun produce light?

• A. Sun is made of many illuminating particles which emit light
• B. Sun just reflects light from other stars to Earth
• C. Nuclear reaction in the Sun emits energy in the form of light
• D. None of these

Answer 1

The correct option is C

Nuclear reaction in the Sun emits energy in the form of light

Light is a form of energy and the Sun provides energy for life here on Earth through light and heat.​ The Sun produces light by a nuclear reaction called fusion. As atoms of hydrogen combine to form helium, they produce vast amounts of heat and light.​