A gap is left between two rails of a railway track to accommodate . . . . . . . . of the metal.

Heat stored in water vapour is

A. specific heat

B. latent heat

C. absolute heat

D. relative heat

The statement that 'heat cannot flow by itself from a body at a lower temperature to a body at a higher temperature', is known as

A. Zeroth Law of Thermodynamics

B. First Law of Thermodynamics

C. Second Law of Thermodynamics

D. Third Law of Thermodynamics

A Kelvin thermometer and a Fahrenheit thermometer both give the same reading for a certain sample. What would be the corresponding reading in a Celsius thermometer?

A. 574

B. 301

C. 273

D. 232

A black body can absorb radiations of

A. lower wavelengths only

B. intermediate wavelengths only

C. higher wavelengths only

D. all wavelengths