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  9. Q172

KPSC KAS 2017 · Question 172 of 200

With reference to atomic power, which of the following statements is/are correct ? A. India conducted its first nuclear detonation at Pokhran in Rajasthan on 18 May, 1974. B. The fuel used in the nuclear reactor is cadmium. C. The energy of a thermal neutron is about 0·025 eV. Select the code for the correct answer from the options given below :

General Science

  1. AA and C onlyCorrect
  2. BB and C only
  3. CA only
  4. DA, B and C

Answer: A. A and C only

Explanation

India's first nuclear detonation was at Pokhran on 18 May 1974 and thermal neutrons have energy ~0.025 eV; reactor fuel is uranium, not cadmium — A and C are correct.

Source: KPSC Gazetted Probationers Prelims 2017, Paper-II (General Studies, subject code 262), Series A

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