Physics
Grade-9
Easy

Question

The particles of a _____ move in the most random way and at greatest speeds.

  1. Solid
  2. Liquid
  3. Gas
  4. Gelly 

hintHint:

Particles of gas move randomly by colliding with each other and with the walls of the container

The correct answer is: Gas


    Molecules of gases have more intermolecular space and less intermolecular force of attraction therefore they move very randomly by colliding with each other; and due to this they posses high kinetic energy. Hence they also move at greater speeds

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