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 ?

`5 mm`

`1 mm`

`0.5 mm`

`0.1 mm`

Text Solution

Verified by Experts

The correct Answer is:

Size of image `=f_(theta)=0.5xx(1xx10^(-3))=0.5mm`

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