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An object is placed between two plane mirrors inclined at an angle θ with each other. What is the total number of images formed? 
Asked by Vimesh | 16 Feb, 2016, 08:07: AM
answered-by-expert Expert Answer
The formula to find the number of images (n) formed between two plane mirrors inclined at angle, begin mathsize 14px style straight theta end style between them is as follows:
begin mathsize 14px style Number space of space images space formed equals fraction numerator 360 degree over denominator straight theta end fraction minus 1 end style
Substituting the different values of angles between two inclined mirrors we can tabulate the answer as follows:

Angle between the two mirrors (begin mathsize 12px style straight theta end style)

Number of images formed (n)

45°

7

60°

5

90°

3

120°

2

180°

1
0°  Infinite
 

 


Answered by Faiza Lambe | 16 Feb, 2016, 09:47: AM

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