Physics > 2008 > 5
WASSCE
Which of the following is/are in random motion?
I. Pollen grains in water
II. The molecules of hydrogen gas
III. Fine chalk particles floating in air
I. Pollen grains in water
II. The molecules of hydrogen gas
III. Fine chalk particles floating in air
A.
I and II only
B.
I and III only
C.
II and III only
D.
I, II and III
Answer: D
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