The diagram below illustrates trapped air in a syringe placed in water that is gradually...
PHYSICS
WAEC 2012
The diagram below illustrates trapped air in a syringe placed in water that is gradually heated. It is observed that the piston rises as the temperature of the water rises. Which of the following statements explains this observation?
- A. frequency of collision of trapped air molecules with walls of the syringe is more
- B. molecules of trapped air expands more
- C. speed of the trapped air molecules decreases
- D. number of molecules of trapped air increases
Correct Answer: B. molecules of trapped air expands more
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