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  9. Q9

GPSC Class 1-2 2021 · Question 9 of 10

Assertion (A) : Uranium can undergo a nuclear fusion reaction. Reason (R) : Uranium has a big unstable nucleus.

Science - Nuclear Physics

  1. ABoth A and R are true and R is the correct explanation of A.
  2. BBoth A and R are true but R is not the correct explanation of A.
  3. CA is true, R is false
  4. DA is false, R is trueCorrect

Answer: D. A is false, R is true

Explanation

Assertion is false: Uranium undergoes nuclear fission (splitting), not fusion. Reason is true: Uranium has a big unstable nucleus.

Source: GPSC Gujarat Administrative Service Prelims 26 Dec 2021 (Advt 30/2021-22) - English version

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