Question on: JAMB Physics - 2021
Which of the following is not correct about the molecules of a substance in a gaseous state? They
A
are in a constant state of motion
B
have different speeds
C
have a temperature which is measured by the average kinetic energy
D
The collision between the gases is perfectly inelastic
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Correct Option: D
All collisions between gas molecules are perfectly elastic;Â all kinetic energy is conserved. When cars collide, energy is lost to bending bumpers and metal. Molecules do not act like this. Instead, they act like billiard balls. More
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