The latent heat of fusion of ice is :
(a) 33.4 × 105 J/kg
(b) 22.5 × 105 J/kg
(c) 33.4 × 104 J/kg
(d) 22.5 × 104 J/kg
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Q2
A perfect gas goes from state A to another state B by absorbing 8×105J of heat and doing 6.5×105J of external work. The change in internal energy will be
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Q3
A diatomic gas is heated at constant pressure. If 105J of heat is given to the gas, then the change in internal energy of the gas (in J) is
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Q4
A gas is undergoing a cyclic process as shown in figure, where P0=2bar and V0=7m3. Find the workdone (W) by the gas and heat (Q) released by the gas in one cycle.
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Q5
A diatomic gas is heated at constant pressure. If 105 J of heat is given to the gas, find the change in internal energy of the gas.