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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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