Lakhmir Singh and Manjit Kaur Solutions for Chapter: Light, Exercise 5: Questions Based on High Order Thinking Skills (HOTS)

We wish to obtain an erect image of an object by using a concave mirror of focal length $10 \mathrm{cm}$. Is the image larger or smaller than the object?

What kind of lens can form an erect image larger than the object?

What kind of lens can form an inverted image smaller than the object?

What kind of lens can form an erect image smaller than the object?

An object is placed at the following distances from a convex lens of focal length $10 \mathrm{cm}$:

(a) $8 \mathrm{cm}$

(b) $15 \mathrm{cm}$

(c) $25 \mathrm{cm}$

Which position of the object will produce:

(i) a diminished real image?

(ii) a magnified real image?

(iii) a magnified virtual image?

The letter F is placed in front of a plane mirror. Its image appears to be inverted. What is the name of the phenomenon involved?

What kind of lens can form an inverted image smaller than the object?

What kind of lens can form an erect image smaller than the object?