Post-UTME Physics 2015 Objective — Question 14
Question 14 of 20 from the Post-UTME Screening (Post-UTME) Physics 2015 Objective paper, with the correct answer and a full explanation.
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The pressure of 760cm3 of gas initially at 120cmHg is changed at constant temperature to 76cm Hg. What is its new volume?
- A. 481
- B. 700
- C. 1200Correct
- D. 12
Explanation
By Boyle's law, P1V1=P2V2: 120x760=76xV2, giving V2=1200cm3.
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