Question

When two plane mirrors are placed parallel and facing each other and an object is kept in between them, we get infinite images. But actually only a few images are visible because the intensity of the image is 

(A) lncreased after each reflection 

(B) Decreased after each reflection 

(C) Always constant 

(D) None of these

Answer 1

Correct option (B) Decreased after each reflection 

Explanation:

After each reflection, some part of light get absorbed by the mirror while most of the part is reflected. Thus, multiple reflections decreases the intensity of the image so only a few images are visible.