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  9. Q48

WBCS 2022 · Question 48 of 191

The radioactive element used in heart- pacemakers is

Science - Physics

  1. AUranium
  2. BDeuterium
  3. CPlutoniumCorrect
  4. DRadium

Answer: C. Plutonium

Explanation

Official WBPSC key (Series A): (C) Plutonium. Plutonium-238 powered early nuclear heart pacemakers.

Source: WBCS (Exe) etc. (Prelim) 2022, Series A

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