Statement: A black body is an ideal absorber and emitter of radiation. Conclusion I: Radiation is not reflected from a black body. Conclusion II: A black body emits more energy at high temperature. Choose the correct conclusion of the given statement.

The ratio of the amount of heat absorbed by a substance to the corresponding rise in temperature is called its:

If x is the temperature of a system in Kelvin and y is the temperature of the system in °C, then the correct relation between them is

The amount of heat required to change from liquid state to gaseous state without rise in its temperature is called:

The efficiency of a Carnot engine operating between two heat reservoirs at temperatures T1 and T2 (T1 > T2) is given by:

Which one among the following statements with reference to the properties of water is not correct ?