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Physics GK · Q206

Modern Physics

Competitive Exams · Physics GK · question 206

Q206

Stars obtain their energy from 1. Nuclear fusion 2. Gravitational contraction 3..Chemical reaction 4. Nuclear fission Select your answer:

A.
Only 1 and 2
Answer
B.
Only 1, 2 and 3
C.
Only 1 and 4
D.
Only 2 and 4

Answer: Option A

Solution

Answer: Option A
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