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A lens ( focal length 50 cm ) forms the ...

A lens ( focal length `50 cm` ) forms the image of a distant object which subtends an angle of 2 milliradian at the lens. What is the size of the image ?

A

5 mm

B

1 mm

C

`0.5 mm`

D

`0.1 mm`

Text Solution

Verified by Experts

The correct Answer is:
C
Size of image ` = f theta = 0. 5 xx (1 xx 10 ^(-3)) = 0. 5 mm`
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