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Manipal MET2018PhysicsNuclear Physics

The mass defect in a particulạr nuclear reaction is 0.3 g . The amount of energy liberated in killowatt hour is (velocity of light =3 10^8 ~m / s )

Options

  1. A1.5 10^6
  2. B2.5 10^6
  3. C3 10^6
  4. D7.5 10^6

Correct answer

D. 7.5 10^6

Step-by-step solution

aligned E & = m c^2 E & = 0.3 1000 (3 10^8 )^2 & =2.7 10¹³ ~J & = 2.7 10¹³ 3.6 10^6 =7.5 10^6 kWh aligned

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