One mole of helium is kept in a cylinder of area 8.5 cm^2 . Cylinder is closed by a light frictionlesspiston. If a heat of 42 J given to gas causes a rise of temperature through 2^@C , then

One mole of helium is kept in a cylinder of area 8.5 cm^2 . Cylinder i

1.	One mole of helium is kept in a cylinder of area 8.5 cm^2 . Cylinder is closed by a light frictionlesspiston. If a heat of 42 J given to gas causes a rise of temperature through 2^@C , then
Answer» <html><body><p>`<a href="https://interviewquestions.tuteehub.com/tag/delta-947703" style="font-weight:bold;" target="_blank" title="Click to know more about DELTA">DELTA</a> U =30J`<br/>`Delta W = 17.1J`<br/><a href="https://interviewquestions.tuteehub.com/tag/displacement-956081" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACEMENT">DISPLACEMENT</a> of <a href="https://interviewquestions.tuteehub.com/tag/piston-600809" style="font-weight:bold;" target="_blank" title="Click to know more about PISTON">PISTON</a> = <a href="https://interviewquestions.tuteehub.com/tag/20cm-293006" style="font-weight:bold;" target="_blank" title="Click to know more about 20CM">20CM</a> <br/> displacement of piston = 10 cm</p>Answer :B::C</body></html>