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Two plane mirrors AB and CD each of leng...

Two plane mirrors AB and CD each of length 2 m are arranged parallel to each other `sqrt3` m apart and a ray of light is incident at 'A' as shown in the figure. How many reflections does the ray of light undergo? What is the distance travelled by the ray of light between the two mirrors? What is the angle of deviation?

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(1) Laws of reflection of light
(2) Equilateral triangle
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