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Electromagnetic radiation and quantum phenomena

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Question 17

An alpha particle and a proton have the same kinetic energy.

Which row gives the particle with the shorter de Broglie wavelength and the particle with the greater velocity?

A

Shorter de Broglie wavelength: alpha particle; Greater velocity: alpha particle

B

Shorter de Broglie wavelength: alpha particle; Greater velocity: proton

C

Shorter de Broglie wavelength: proton; Greater velocity: alpha particle

D

Shorter de Broglie wavelength: proton; Greater velocity: proton

Markscheme

Electromagnetic radiation and quantum phenomena Questions

  1. A Level
  2. /Physics
  3. /Electromagnetic radiation and quantum phenomena

31 exam-style questions on AQA A Level Physics Electromagnetic radiation and quantum phenomena, covering The photoelectric effect, Collisions of electrons with atoms, Energy levels and photon emission, and Wave-particle duality. Each one has a worked solution and a mark scheme showing where the marks go.

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