Question

a ray reflected successively from two plane mirrors incline at a certain angle undergoes a deviation of 240 degree then the no. of images observable is​

Answer 1

Answer:

11

Explanation:

We know, O=360°−2θ

300°=360°−2θ

θ=30°

No. of images formed is

n=(

θ

360°

)−1

n=(

30

360°

°)−1

n=11

No. of images formed =11

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