Optics Question 120
Question: A cube of side 2 m is placed in front of a concave mirror focal length 1m with its face P at a distance of 3 m and face Q at a distance of 5 m from the mirror. The distance between the images of face P and Q and height of images of P and Q are
Options:
A) 1 m, 0.5 m, 0.25 m
B) 0.5 m, 1 m, 0.25 m
C) 0.5 m, 0.25 m, 1m
D) 0.25 m, 1m, 0.5 m
Show Answer
Answer:
Correct Answer: D
Solution:
For surface P,
Therefore
For surface Q,
Therefore
Magnification of
Height of
Magnification of
Height of
