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How long can an electric lamp of 100W be kept glowing by fusion of 2.0 kg of deuterium? Take the fusion reaction as H₁² + H₁² → He₂³+n+3.27MeV

Options

  1. A4.9 × 10 4 years
  2. B4.9 × 10 5 years
  3. C8.4 × 10 5 years
  4. D8.4 × 10 4 years

Correct answer

A. 4.9 × 10 4 years

Step-by-step solution

Correct Option is : (A) 4.9 × 10 4 years

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