In the kinetic theory of gases, the term 'elastic collision' means: (2019)

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Question: In the kinetic theory of gases, the term \'elastic collision\' means: (2019)

Options:

Correct Answer: Both kinetic energy and momentum are conserved

Exam Year: 2019

Solution:

In elastic collisions, both kinetic energy and momentum are conserved, which is a key assumption in the kinetic theory of gases.

In the kinetic theory of gases, the term 'elastic collision' means: (2019)

In the kinetic theory of gases, the term 'elastic collision' means: (2019)

Step 1: Understand what a collision is. A collision happens when two objects hit each other.
Step 2: Learn about elastic collisions. In an elastic collision, the objects bounce off each other without losing energy.
Step 3: Know that kinetic energy is the energy of motion. In elastic collisions, the total kinetic energy before and after the collision stays the same.
Step 4: Understand momentum. Momentum is the quantity of motion an object has, and it is also conserved in elastic collisions.
Step 5: Remember that in the kinetic theory of gases, we assume that gas particles collide elastically, meaning both kinetic energy and momentum are conserved.

Elastic Collision – A type of collision where both kinetic energy and momentum are conserved.
Kinetic Theory of Gases – A theory that explains the behavior of gases in terms of particles in constant motion, emphasizing the role of collisions.