Why does a star produce its own light and heat?

General Awareness (GA) Geography of India Competitive Exams (SSC, DSSSB, UPSC, RRB, CET, and State Boards) SSC Combined Graduate Level (SSC CGL)

Q. 2 of Quiz-1849 (Que-ID : 3992)

Why does a star produce its own light and heat?

Nuclear fission
Nuclear fusion
Chemical reaction
None

Ans → (b)Nuclear fusion

Explanation → Stars are huge celestial bodies made mostly of hydrogen and helium. Heat and light energy produced by the stars are due to the fusion reaction of hydrogen atoms.

This question is taken from this post → General Awareness Quiz on Physical Geography - attemp/practice

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Why does a star produce its own light and heat?

Why does a star produce its own light and heat?

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