Optics Question 520
Question: It is desired to photograph the image of an object placed at a distance of $ 3m $ from the plane mirror. The camera which is at a distance of $ 4.5m $ from the mirror should be focussed for a distance of
[NCERT 1971]
Options:
A) $ 3m $
B) $ 4.5m $
C) $ 6m $
D) $ 7.5m $
Show Answer
Answer:
Correct Answer: D
Solution:
Fo using distance of image = 4.5 m + 3 m = 7.5 m.
