O-LevelPhysicsNuclear Physics5054/11 · Oct/Nov 2017 · Q371 Mark

A narrow beam of alpha-particles is fired at a thin piece of gold foil. What is the final direction of the largest number of alpha-particles?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

AArrow showing alpha-particles passing straight through the gold foil

BArrow showing alpha-particles slightly deflected upwards after passing through the gold foil

CArrow showing alpha-particles slightly deflected downwards after passing through the gold foil

DArrow showing alpha-particles largely deflected backwards from the gold foil

✓ Correct answer

A: Arrow showing alpha-particles passing straight through the gold foil

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2017 Paper 1 Variant 1, question 37.

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