A person is in a room whose ceiling and two adjacent walls are mirrors. How many images are formed

Options

A. 5
B. 6
C. 7
D. 8

Answer

C

Explanation

No. 360 wall adjacent due image of = `((360)/(90)-1)` =3
No. of image due wall and ceiling = `((360)/(90)-1)=3`
Images formed by wall act as object for ceiling mirror so ceiling formed an extra image.
Total image = 3+3 +1 = 7
Person can see only 6 images by himself .