- 1(current)
Q. No.Two plane mirrors are inclined at \(70^\circ.\) A ray incident on one mirror at an angle \(\theta\) after reflection falls on the second mirror and is reflected from there parallel to the first mirror. The value of \(\theta\) is:
1. \(45^\circ\)
2. \(30^\circ\)
3. \(55^\circ\)
4. \(50^\circ\)
1. \(45^\circ\)
2. \(30^\circ\)
3. \(55^\circ\)
4. \(50^\circ\)
Subtopic: Â Reflection at Plane Surface |
 54%
From NCERT
NEET - 2013
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