Q. Consider the following:

1. Convex lens
2. Concave lens
3. Concave mirror
4. Convex mirror
5. Plane mirror

Which of the above can form a real image of a real object?
Answer: Only 1 & 3
Notes: Concave lens cannot form a real image of a real object. Similarly, Plane mirrors and convex mirrors can not form a real image of a real object.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.