Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

The energy in the sun is generated mainly by:

Options:

Fission of helium atoms

fusion of hydrogen atoms

fusion of helium atoms

fission of uranium nuclids

Correct Answer:

fusion of hydrogen atoms

Explanation:

The correct answer is Option (2) → fusion of hydrogen atoms

In the sun's core, hydrogen atoms fuse together to form helium in a series of fusion reactions. This process is possible because of sun's high temperature and abundance of hydrogen.