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6.1 Atomic structure and isotopes

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Question 36
H

An electron moves from orbit P to orbit R by absorbing radiation. It returns to P in two steps, emitting 1.8 × 10-19 J and 3.2 × 10-19 J.

What energy would be emitted if 400 electrons each made one direct transition from R to P?

[1]
A

2.0×10−17 J2.0\times10^{-17}\ \mathrm{J}2.0×10−17 J

B

1.25×10−21 J1.25\times10^{-21}\ \mathrm{J}1.25×10−21 J

C

5.6×10−17 J5.6\times10^{-17}\ \mathrm{J}5.6×10−17 J

D

2.0×10−16 J2.0\times10^{-16}\ \mathrm{J}2.0×10−16 J

Markscheme

6.1 Atomic structure and isotopes Questions

  1. GCSE
  2. /Physics
  3. /6.1 Atomic structure and isotopes

103 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.

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