JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
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 :
- A
- B
- C
- D
More from Heat and Thermodynamics
- One kg of water, at 20oC, heated in an electric kettle whose heating element has a mean (temperature averaged) resistance of 20 . The rms voltage in the mains is 200 V. Ignoring heat loss from the kettle, time taken for water to…2019 · MCQ
- A diatomic gas with rigid molecules does 10 J of work when expanded at constant pressure. What would be the heat energy absorbed by the gas, in this process ?2019 · MCQ
- For the given cyclic process CAB as shown for a gas, the work done is : Includes diagram2019 · MCQ
- A cylinder of radius R is surrounded by a cylindrical shell of inner radius R and outer radius 2R. The thermal conductivity of the material of the inner cylinder is K1 and the of the outer cylinder is K2. Assuming no loss of heat, the…2019 · MCQ
- An ideal gas occupies a volume of 2m3 at a pressure of 3 106 Pa. The energy of the gas is :2019 · MCQ
- A vertical closed cylinder is separated into two parts by a frictionless piston of mass m and of negligible thickness. The piston is free to move along the length of the cylinder. The length of the cylinder above the piston is 1,…2019 · MCQ
- An ideal gas is enclosed in a cylinder at pressure of 2 atm and temperature 300 K. The mean time between two successive collisions is 6 10–8 s. If the pressure is doubled and temperature is increased to 500 K, the mean time…2019 · MCQ
- One mole of an ideal monoatomic gas is compressed isothermally in a rigid vessel to double its pressure at room temperature, The work done on the gas will be :2018 · MCQ