Physics
Grade-9
Easy
Question
The particles of a _____ move in the most random way and at greatest speeds.
- Solid
- Liquid
- Gas
- Gelly
Hint:
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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