Question

9 image are noticed for an object placed infront of two plane mirrors inclined at an angle theta. then the value of theta is

Answer 1

Answer:

Explanation:

When two plane mirrors are inclined to each other at an angle θ ,then number of images (n) formed of an object which is kept between them is given by

n=(  

θ

360

​  

−1)

Given n=11

⟹(  

θ

360

​  

−1)=11

⟹θ=30  

o

 

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