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6 Radioactivity

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Question 115

An electron in an atom changes from orbit P to orbit Q. The energies of the two allowed orbits are shown in the table.

OrbitEnergy (J)
P7.2 × 10-19
Q2.7 × 10-19
a.

Calculate the energy transferred in the change from orbit P to orbit Q.

[2]
b.

Explain whether the atom emits or absorbs radiation during this change.

[2]
Markscheme

6 Radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6 Radioactivity

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