Wave-particle duality (AQA A-Level Physics): Quizzes

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Wave-particle duality
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What does wave-particle duality describe?

Light & particles show both wave & particle properties

Which behaviours demonstrate the wave properties of light?

Diffraction and interference

Which phenomenon shows light acting as particles called photons?

The photoelectric effect

What pattern do electrons create when passing through a crystal lattice?

Concentric rings

What is de Broglie's equation for particle wavelength?

λ=hmv\lambda = \frac{h}{mv}

What is the value of Planck's constant hh?

6.63×10−346.63 \times 10^{-34} Js

How does higher momentum affect a particle's wavelength?

Results in shorter wavelength

What happens to diffraction rings when particles have lower momentum?

Rings spread further apart

What process validates scientific findings for acceptance?

Published and peer-reviewed

What is λ\lambda for an electron (m=9.11×10−31m=9.11\times10^{-31} kg) at 1×1061\times10^{6} m/s?

7.28×10−107.28 \times 10^{-10} m

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