Optics Question 614

Question: A lens (focal length 50 cm) forms the image of a distant object which subtends an angle of 1 milliradian at the lens. What is the size of the image

[MP PMT 1995]

Options:

A) 5 mm

B) 1 mm

C) 0.5 mm

D) 0.1 mm

Show Answer

Answer:

Correct Answer: C

Solution:

Size of image = fq = $ 0.5\times (1\times {{10}^{-3}}) $ = 0.5 mm



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