Question

# A 16 cm long pencil is placed as shown in figure. The central point C is 45 cm away from a 20 cm focal length lens and 15 cm above the optic axis. Find the length of image.

A

B

C

D

## 4.5 cm

Medium
Updated on : 2022-09-05
Solution
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Correct option is C)

## For point C Using Thus co-ordinates of are (36.-12)For point B Thus coordinates of are (33,-6.1)For point A Thus coordinates of are (40.7,-21.4) Length of image .

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