Question: What is the definition of entropy?

Options:

1. A measure of energy transfer
2. A measure of disorder or randomness
3. A measure of heat capacity
4. A measure of pressure

Correct Answer: A measure of disorder or randomness

Solution:

Entropy is defined as a measure of disorder or randomness in a system, reflecting the number of microscopic configurations that correspond to a thermodynamic system\'s macroscopic state.