Two identical plane mirrors A and B are aligned parallel to each other, as shown in the figure below. The length of each mirror is L = 5V3 m. A light ray is incident at an angle of 30° at a point just inside one end of mirror A. The number of times the ray undergoes reflections (including the first time) before it emerges out is: %3D L. Mirror-B 0.3 m Mirror-A 30° 45 50 100 25 90
Two identical plane mirrors A and B are aligned parallel to each other, as shown in the figure below. The length of each mirror is L = 5V3 m. A light ray is incident at an angle of 30° at a point just inside one end of mirror A. The number of times the ray undergoes reflections (including the first time) before it emerges out is: %3D L. Mirror-B 0.3 m Mirror-A 30° 45 50 100 25 90
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Transcribed Image Text:Two identical plane mirrors A and B are aligned parallel to each other, as shown in the figure
below. The length of each mirror is L 5V3 m. A light ray is incident at an angle of 30° at a
point just inside one end of mirror A. The number of times the ray undergoes reflections
(including the first time) before it emerges out is:
L.
Mirror-B
0.3 m
Mirror-A
O 45
50
100
25
90
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