Q41. A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume of 50 x 10-3 m3. What is the change in the internal energy of the gas? Physics — Heat and Thermodynamics — Question 41 of 415A. －1000J B. －900J C. Zero D. ＋500 JE. ＋1000J Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →