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NTA Abhyas JEE Main2020PhysicsNuclear PhysicsPractice

If in nuclear fission, a piece of uranium of mass 6.0 g is lost, the energy obtained (in kWh ) is n × 10 7 . Find the value of n .

Correct answer

1.25

Step-by-step solution

E = Δmc 2 = 0.5 × 10 - 3 × 3 × 10 8 2 = 4.5 × 10 13 E = 4 .5 × 10 13 3 .6 × 10 6 = 1 .25 × 10 7   kWh

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