WBCS.LIVE practice question

The radioactive element used in heart-pacemakers is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Uranium
  2. Deuterium
  3. Plutonium
  4. Radium

Correct answer and explanation

Correct answer: Plutonium

Explanation: āœ… Correct Answer: C. Plutonium šŸ“š Explanation: Plutonium-238 is the radioactive isotope commonly used in radioisotope thermoelectric generators (RTGs) for heart pacemakers and space probes. Its decay provides a long-lasting and steady source of thermal energy. This heat is converted into electricity to power the pacemaker for many years without the need for frequent battery replacement surgeries. It is chosen for its long half-life and safety when properly encapsulated.