WAEC Physics 2016 Objective — Question 23
Question 23 of 50 from the West African Examinations Council (WAEC) Physics 2016 Objective paper, with the correct answer and a full explanation.
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23. The gas molecules of the perfume on a sunny day: A. expand B. collide less often C. move more rapidly D. contract
- A. expand
- B. collide less often
- C. move more rapidlyCorrect
- D. contract
Explanation
The gas molecules gain energy from the sun and they move rapidly due to the increase in their average kinetic energy.
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