Question

A well stoppered thermos flask contains some ice cubes. This is an example of a [AIIMS 1992] A) Closed system B) Open system C) Isolated system D) Non-thermodynamic system

Answer 1

Isolated system is answer In isolated system neither exchange of matter nor exchange of energy is possible with surroundings

Answer 2

Answer:

Option (C) is correct.

Explanation:

There are three types of Thermodynamic systems namely Open ,Closed and Isolated system.

(i)In open system both energy and matter are exchange from the surrounding to system.

(ii)In closed system only energy exchange while matter are not getting exchange from the surrounding to system.

(iii)In Isolated system neither energy nor matter exchange from the surrounding to system.

So,Thermos flask is an example of ISOLATED system.

So, option (C) is correct.