An irrational number between `2\ a n d\ 2. 5` is `sqrt(11)\ ` (b) `sqrt(5)` (c) `sqrt(22. 5)` (d) `sqrt(12. 5)`

Explanation

To find an irrational number between 2 and 2.5 from the given options, we will calculate the approximate values of each option and check which one lies within the specified range.

### Step-by-Step Solution:

1. **Understanding the Range**: We need to find an irrational number that lies between 2 and 2.5. This means we are looking for a number greater than 2 and less than 2.5.

2. **Calculating the Values**:
- **Option (a)**: \( \sqrt{11} \)
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