JAMB Physics 2013 Objective — Question 18
Question 18 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2013 Objective paper, with the correct answer and a full explanation.
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A gas at a pressure of 10⁵Nm⁻² expands from 0.6m³ to 1.2m³ at constant temperature, the work done is
- A. 7.0×10⁴J
- B. 6.0×10⁴JCorrect
- C. 6.0×10³J
- D. 6.0×10²J
Explanation
Workdone = PΔV = 10⁵(1.2-0.6) = 10⁵(0.6) = 6×10⁴J.
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