Question

The image distance and object distance values in an experiment with con-
vex lens of focal length are noted as below in the table.
Case
A
B
С
Object distance (u) (cm) 20
30
40
Image distance (v) (cm) 40
30
20
(a) In which case we will get an image same size of the object ?
(b) In which case we will get real and enlarged image ?​

Answer 1

A

B

С

Object distance (u) (cm) 20

30

40

Image distance (v) (cm) 40

30

20

Explanation:

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