How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at the following angles to one another.
1. 20 degrees
2. 90 degrees
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image formed when there is an inclination of 20degrees is =(360/20)-1
=18-1=17
another case,(360/90)-1=4-1=3(ans)
=18-1=17
another case,(360/90)-1=4-1=3(ans)
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1.20 degrees itz just for help of your question
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