Which mirror will you prefer to use as a rear view mirror in a truck: Plane mirror or convex Mirror? Illustrate your answer with the help of a ray diagram.

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: We need to determine which type of mirror is better for use as a rear-view mirror in a truck: a plane mirror or a convex mirror.

2. **Choosing the Right Mirror**: A convex mirror is preferred over a plane mirror for a rear-view mirror in a truck. This is because a convex mirror provides a wider field of view, allowing the driver to see more area behind the truck.

3. **Image Formation**: A convex mirror forms virtual, erect, and diminished images. This means that objects appear smaller and upright, which is beneficial for the driver to monitor surrounding vehicles and obstacles.

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