Ray Optics and Optical Instruments - Result Question 5
5. A person is six feet tall. How tall must a vertical mirror be if he is able to see his entire length?
(a) $3 ft$
(b) $4.5 ft$
(c) $7.5 ft$
(d) $6 ft$
[2000]
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Answer:
Correct Answer: 5. (a)
Solution:
- (a) To see his full image in a plane mirror a person requires a mirror of at least half of his height.
