28.A ray reflected successively from two plane mirrors inclined at a certain angle undergoes a deviation of 300^° .The number of observable images (A)60 (B)12 (C)11 (D)5

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Q. A ray reflected successively from two plane mirrors inclined at a certain angle undergoes a deviation of

300^{\circ}

. The number of observable images are :

Q. A ray reflected successively from two plane mirrors inclined at a certain angle undergoes a deviation of

240^{o}

. Then, the number of images observable is?

Q. A ray reflected successively from two plane mirrors inclined at a certain angle undergoes a deviation of

300^{\circ}

. The number of observable images are
(Formula for number of images is

\frac{360}{θ} - 1

, where

θ

is the angle between the mirrors.)

Q. A ray reflected successively form to p[lane mirrors inclined at a certain angle undergoes a deviation of

300^{0} .

Then the no. of images observable is

?

Show that if a ray of light is reflected successively from two mirrors inclined at an angle q, the deviation of the ray does not depend upon the angle of incidence.

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