1.The scale of temperature on which the temperature are only positive is:

2.The wax melts up to lengths 105 cm and 60 cm for two indentical rods of different metals in Ingen Hausz experiment. The ratio of thermal conductivities of the two metals is

3.When a gas is allowed to expand suddenly into a vacuum chamber, then:

4.Molar heat capacity is directly related to:

5.At what temperature is the effective speed of gaseous hydrogen molecules equal to that of oxygen molecules at 47 degreeCentigrade?