wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

3000 J of heat is given to a gas at constant pressure of 2×105 N/m2 If its volume increases by 10 litres during the process find the change in the internal energy of the gas.

A
1000 J
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1000 J
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
2000 J
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2000 J
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 1000 J
Heat given to the system Q=3000 J
pressure applied = 2×105 N/m2)
W=PV=(2×105 N/m2)(10×103 m3)
=2×103 J
from first law of thermodynamic,
U=QW=30002000=1000 J

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon