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5 marksNuclear Energy

CSEC Physics · May/June 2014 · Paper 2 · Question 6(c)

During the fission of 1 kg of Uranium –235, 6.7 × 10¹⁰ J of energy is released, resulting in a change in its mass.

Calculate the new mass. [c = 3 × 10⁸ m s⁻¹]

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Other parts of this question

  1. 6(a)(i)Define the term 'half-life'.[2 marks]
  2. 6(a)(ii)Calculate the half-life of Bismuth.[4 marks]
  3. 6(b)State TWO useful applications of radioisotopes and TWO precautions to be taken when handling radioisotopes.[4 marks]

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