A telescope has an objective lens of focal length 200 cm and an eye piece with focal length 2 cm . If this telescope is used to see a 50 meter tall building at a distance of 2 km , what is the height of the image of the building formed by the objective lens
Text Solution
Verified by ExpertsThe correct answer is:
A
Magnification of objective lens 
⇒ ⇒ 
⇒ ⇒ I = 5 × × 10 –2 m = 5 cm .
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