Physics > 2012 > 25
JAMB UTME
I. It is a rapid, constant and irregular motion of tiny particles.
II. It gives evidence that tiny particles of matter called molecules exist.
III. It takes place only in gases.
IV. It gives evidence that molecules are in a constant state of random motion.
Which of the combinations above is correct about Brownian motion?
II. It gives evidence that tiny particles of matter called molecules exist.
III. It takes place only in gases.
IV. It gives evidence that molecules are in a constant state of random motion.
Which of the combinations above is correct about Brownian motion?
A.
I, II and III
B.
II, III and IV only
C.
I, III and IV only
D.
I, II and IV only
Answer: D
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