JAMB Physics 2017 Objective — Question 12
Question 12 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2017 Objective paper, with the correct answer and a full explanation.
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The volume of a fixed mass of gas is 10cm³ when its pressure is 400cmHg. Determine the volume of the gas when its pressure is 200cmHg.
- A. A. 30cm³
- B. B. 40cm³
- C. C. 50cm³
- D. D. 20cm³Correct
Explanation
Boyle's Law: P1V1=P2V2. 400x10=200xV2, so V2=20cm³.
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