Heat and Thermodynamics · 2019 · 12 Apr · Shift 1
4 Physics questions from this JEE Main paperGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Heat and Thermodynamics · 2019 · 12 Apr · Shift 1
4 Physics questions from this JEE Main paper
- Q46.Two moles of helium gas is mixed with three moles of hydrogen molecules (taken to be rigid). What is the molar specific heat of mixture at constant volume ? (R = 8.3 J/mol K)Physics · Heat and Thermodynamics · MCQ
- Q50.At 40o C, a brass wire of 1 mm radius is hung from the ceiling. A small mass, M is hung from the free end of the wire. When the wire is cooled down from 40oC to 20oC it regains its original length of 0.2 m. The value of M is close to :…Physics · Heat and Thermodynamics · MCQ
- Q51.A sample of an ideal gas is taken through the cyclic process abca as shown in the figure. The change in the internal energy of the gas along the path ca is –180 J. The gas absorbs 250 J of heat along the path ab and 60 J along the path bc.… Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q71.When M1 gram of ice at –10oC (specific heat = 0.5 cal g–1 oC–1 ) is added to M2 gram of water at 50C, finally no ice is left and the water is at 0°C. The value of latent heat of ice, in cal g–1 is :Physics · Heat and Thermodynamics · MCQ