Ray Optics and Optical Instruments - Result Question 3
3. Two plane mirrors are inclined at . A ray incident on one mirror at angle after reflection falls on second mirror and is reflected from there parallel to first mirror. The value of is
(a)
(b)
(c)
(d)
[NEET Kar. 2013]
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Answer:
Correct Answer: 3. (a)
Solution:
- (a)
From fig.