2 plane mirrors M1 and M2 are inclined at angle theta A ray of light 1 which is parallel - Science - Light

Question

2 plane mirrors M1 and M2 are inclined at angle theta A ray of
light 1 which is parallel to strikes M2and after 2 reflection ,the
ray to becomes parallel to M2 Find the angle theta​

Vijaya Nittala · Accepted Answer

Dear student,
Given two mirror are inclined
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/ck-files/ck_58ca15e12f902%20png"
style="width: 255px; height: 158px;">
Here ∠M1OM2 = ∠DCM2=θ∠M1BA=∠M1OM2=θα=90°-θx=90°-αx=90°-90°-θx=θSimilarlyβ=90°-θy=90°-βy=90°-90°-θy=θSo all angle x, y and θ are equal BOC is equilateral triangle
θ=60°

2 plane mirrors M1 and M2 are inclined at angle theta. A ray of light 1 which is parallel to strikes M2and after 2 reflection ,the ray to becomes parallel to M2.Find the angle theta​

2 plane mirrors M1 and M2 are inclined at angle theta. A ray of light 1 which is parallel to strikes M2and after 2 reflection ,the ray to becomes parallel to M2.Find the angle theta