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Wave-particle duality (A-level only)

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Question 8

Which change to the TEM setup could produce Pattern Y?

A

Increasing the accelerating voltage of the electron gun

B

Replacing the specimen with a crystal that has a larger lattice spacing

C

Decreasing the accelerating voltage of the electron gun

D

Replacing the electron beam with a beam of protons accelerated to the same kinetic energy

Markscheme

Wave-particle duality (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Wave-particle duality (A-level only)

26 exam-style questions on AQA A Level Physics Wave-particle duality (A-level only), covering Newton's corpuscular theory of light (A-level only), Significance of Young's double slits experiment (A-level only), Electromagnetic waves (A-level only), The discovery of photoelectricity (A-level only), Wave-particle duality (A-level only), and Electron microscopes (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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