Cambridge IGCSE Physics practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Particle model
Exam-style question
What is the primary cause of Brownian motion?.
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Question 1 of 5
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Description
In a laboratory, a scientist observes the movement of small particles suspended in water under a microscope. The particles move in a random, zigzag pattern.
State the cause of Brownian motion as observed in the experiment.
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