Question

The volume of a gas at constant pressure of 10³ N/m² expands by 0.25 m³. The work done by gas is equal to

• A. 2.3 erg.
• B. 250J
• C. 250W
• D. 250N

Answer 1

Answer: (B)

250J

Answer 2

Work done$= P\Delta V$

$= 10^{3}x0.25 = 250J$

Hence (2) is the correct answer.