Multiple choice

The elements essentially present in Sun are

  1. Oxygen and Nitrogen

  2. Carbon and Oxygen

  3. Hydrogen and Helium

  4. Hydrogen and Oxygen

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Sun is primarily composed of Hydrogen (about 73% by mass) and Helium (about 25% by mass), with trace amounts of heavier elements. These elements undergo nuclear fusion in the Sun's core, producing the enormous energy that radiates outward.