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KCET2009PhysicsNuclear Physics

The amount of energy released when one microgram of matter is annihilated is

Options

  1. A25 kWh
  2. B9 10¹⁰ kWh
  3. C3 10¹⁰ kWh
  4. D0.5 10⁵ kWh

Correct answer

A. 25 kWh

Step-by-step solution

According to Einstein's mass energy equivalence relation aligned E &= mc ² &=10⁻⁶ 10⁻³ (3 10⁸ )² ~J &=9 10⁷ ~J &= 9 10⁷ 3.6 10⁶ kWh &=25 kWh aligned

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