Question

will
be
(a) 3
(c) 11
(b) 5
(d) 12
person approaches a plane mirror with
speed
The mirror
Two plane mirrors inclined at a certain
angle produces a deviation of 300° for a
ray. If an object is placed between these
mirrors then the no. of images formed will be
​

Answer 1

Answer:

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