Question

A student drops their notes and their papers scatter. The fact that the papers scatter and do not remain neatly stacked is an illustration of :

Answer 1

Answer:

-- increase in entropy

-- second law of thermodynamics

Step-by-step explanation:

The 1st law of thermodynamic states that there is conservation of energy, i.e. we cannot create energy and we cannot destroy energy also in an isolated system.

The given example is not a representative of the 1st law.

The $\text{2nd law of thermodynamics}$ states that there is a natural tendency of an isolated system to $\text{degenerate}$ into a more $\text{disordered state.}$ Before dropping the notes and papers were in an isolated ordered system.

After dropping the papers scattered and did not remain in a stack position. It moves into a more disordered state.

Begore dropping down the notes and papers, they were in a stable position, i.e. no kinetic energy is there. No randomness when the notes and the papers were dropped. There is an increase in kinetic energy. There is randomness among the molecules by bombardment. So there is an increase in entropy.

Thus, above illustrations represents :

• an increase in entropy
• the second law of thermodynamics