If 5 small spherical droplet coalesce to form a bigger drop then temperature of bigger drop in comparison to smaller drops will

Options

A. Decrease
B. Remain same
C. May increase or decrease
D. Increase

Answer

To solve the question regarding the temperature change when 5 small spherical droplets coalesce to form a bigger drop, we can follow these steps:

### Step 1: Understand the Process of Coalescence
When small droplets coalesce, they combine to form a larger droplet. This process involves the formation of new bonds between the molecules of the droplets.

**Hint:** Think about what happens during the merging of droplets at the molecular level.

### Step 2: Consider the Reverse Process
To analyze the temperature change, consider the reverse process: breaking the larger droplet into smaller droplets. Breaking bonds requires energy, which usually leads to an increase in temperature.

**Hint:** Reflect on how energy is involved in breaking bonds and how it affects temperature.

### Step 3: Energy Considerations
When the larger droplet is formed from smaller droplets, energy is released due to the formation of new bonds. This release of energy typically results in a decrease in temperature.

**Hint:** Remember that energy release during bond formation can lead to a temperature drop.

### Step 4: Conclusion about Temperature Change
Since the process of coalescence involves the release of energy, the temperature of the larger droplet (T2) will be less than the temperature of the smaller droplets (T1). Therefore, we conclude that T2 < T1.

**Hint:** Summarize the relationship between energy release during bond formation and temperature change.

### Final Answer
The temperature of the bigger drop (T2) will be less than the temperature of the smaller drops (T1). Thus, T2 < T1.