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When an object is placed between two pla...

When an object is placed between two plane mirrors facing each other inclined at an angle `'theta'` , then the number of images (n) formed is given by

A

`[(frac(360^@)(theta)-1]` if `(frac(360^@)(theta))` is even.

B

`[(frac(360^@)(theta)-1]` if `(frac(360^@)(theta))` is odd and object is asymmetrical.

C

`[frac(360^@)(theta)]` for all the positions of object.

D

`[(frac(360^@)(theta))+ 1]` for all the positions of object.

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