Question

A diminished, virtual and erect image is formed by a

• A. concave mirror
• B. convex mirror
• C. plane mirror
• D. planoconcave mirror

Hint:

Remember the acronym "SUV" for convex mirrors: Small, Upright, Virtual image.

Answer 1

The Correct Option is B

Step 1: Recall the image formation properties of different types of mirrors. 
Concave mirror: Can form real or virtual images depending on the object's position. Virtual images formed by concave mirrors are magnified and erect.
Convex mirror: Always forms virtual, erect, and diminished images, regardless of the object's position. 
Plane mirror: Always forms virtual, erect, and images of the same size as the object. 
Planoconcave mirror: A diverging mirror (one surface is plane, the other is concave) that will also form virtual, erect, and diminished images. 

Step 2: Identify the type of mirror that consistently produces a diminished, virtual, and erect image.
From the properties listed above, a convex mirror always forms images that are diminished, virtual, and erect. A planoconcave mirror also forms such images. However, convex mirrors are the more common example for this type of image formation across all object distances.