Question

Complete the following table: 

Type of lens	Position of object	Nature of image	Size of image
Convex	Between optical centre and focus
Convex	At focus
Concave	At infinity
Concave	At any distance

Answer 1

Type of lens	Position of object	Nature of image	Size of image
Convex	Between optical centre and focus	Virtual and upright	Magnified
Convex	At focus	Real and inverted	Very much magnified
Concave	At infinity	Virtual and upright	Highly diminished
Concave	At any distance	Virtual and upright	Diminished