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A telescope has an objective lens of foc...

A telescope has an objective lens of focal length `200cm` and an eye piece with focal length `2cm`. If this telescope is used to see a 50 meter tall building at a distance of `2km,` what is the height of the image of the building formed by the objective lens?

A

5mm

B

10mm

C

1mm

D

2mm

Text Solution

Verified by Experts

The correct Answer is:
A
`1/(f_(0)=1/v_(0) + 1/u_(0)` but `m=v_(0)/u_(0)=I/O`
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