Physics Fill In The Blanks[1 Marks ]

Device which converts continuously heat energy into mechanical energy in a cyclic process is known as _________.

'Heat cannot itself flow from a body at lower temperature to a body at higher temperature' is a statement in consequence of ­­________________.

When state variable of a thermodynamic system do not change system is said to be in _________.

As per sign conventions, heat absorbed by a system is _________ and heat given out by a system is _________.

First law of thermodynamics is just a restatement of the law of ­­________________.

When there is no change in temperature whether heat is taken in or given out then heat capacity of the substance is ­­___________.

In a cyclic process, work done by the system is ­­_________________.

According to ­­_________________ it is impossible to construct self perpetual machine that transfer heat from a body at lower temperature to another at higher temperature.

Thermodynamic process in which temperature remains constant is called an ­­­­­________.

If the temperature of the source is increased, the efficiency of a Carnot engine ­­________________.

The efficiency of the Carnot engine is ­­______________ the nature of the working substance.

What are the four steps in a Carnot's engine?

Relation between molar specific heat at constant volume and molar specific heat at constant pressure (C) is _________.