Home PYQs UPPSC UPPSC MCQs Prelims 1999 (GS Paper I)

Question

The difference between nuclear reactor and atom bomb is that:

  1. There is no chain reaction in nuclear reactor where as this happens in atom bomb
  2. The chain reaction in nuclear reactor is controlled
  3. The chain reaction in nuclear reactor is not controlled
  4. Atom bomb is based on nuclear fusion whereas in nuclear reactor, nuclear fission occurs

Answer:

Option B: The chain reaction in nuclear reactor is controlled

Detailed Solution:

The correct answer is “The chain reaction in nuclear reactor is controlled”.

The main difference between a nuclear reactor and an atomic bomb is that the chain reaction in a nuclear reactor is controlled, while in an atomic bomb it is uncontrolled.