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» `DELTA U =30J` `Delta W = 17.1J` DISPLACEMENT of PISTON = 20CM displacement of piston = 10 cm Answer :B::C