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
