- 1(current)
Q. No.As compared to \(^{12}\mathrm{C}\) atom, \(^{14}\mathrm{C}\) atom has:
| 1. | two extra protons and two extra electrons |
| 2. | two extra protons but no extra electron |
| 3. | two extra neutrons and no extra electron |
| 4. | two extra neutrons and two extra electrons |
Subtopic: Â Nuclear Energy |
 78%
Level 2: 60%+
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Solar energy is mainly caused due to:
| 1. | burning of hydrogen in the oxygen |
| 2. | fission of uranium present in the sun |
| 3. | fusion of protons during synthesis of heavier elements |
| 4. | gravitational contraction |
Subtopic: Â Nuclear Energy |
 75%
Level 2: 60%+
AIPMT - 2003
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