In the figure shown,how many images of the st | vedclass

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Question

(C) The angle between the two plane mirrors is $	heta = 90^\circ$.For two plane mirrors inclined at an angle $	heta$,the number of images $n$ formed

Vedclass · Accepted Answer

$3$

Vedclass · Answer

(C) The angle between the two plane mirrors is $	heta = 90^\circ$.For two plane mirrors inclined at an angle $	heta$,the number of images $n$ formed is given by $n = \frac{360^\circ}{	heta} - 1$ if $\frac{360^\circ}{	heta}$ is an even integer.Here,$\frac{360^\circ}{90^\circ} = 4$,which is an even integer.Therefore,the number of images formed is $n = 4 - 1 = 3$.The observer at $O$ will see $3$ images of the star.

In the figure shown,how many images of the star will an observer at $O$ see?

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