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JEE Main20202 Sep 2020Morning ShiftPhysicsWork, Power and EnergyActual

In a reactor, 2 kg of U 235 92 fuel is fully used up in 30 days. The energy released fission is 200 MeV . Given that the Avogadro number, N = 6 . 023 × 10 26 per kilo mole and 1 eV = 1 . 6 × 10 - 19 J . The power output of the reactor is close to:

Options

  1. A35   MW
  2. B60   MW
  3. C125   MW
  4. D54   MW

Correct answer

B. 60   MW

Step-by-step solution

P = E t = 2 235 × 6 . 023 × 10 26 × 200 × 1 . 6 × 10 - 19 30 × 24 × 60 × 60 = 60   MW

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