question_answer

The Kaleidoscope is an instrument consisting of plane mirrors that produces multiple reflections of colored glass pieces and create beautiful pattern. It consists of three long and narrow strips of plane mirrors. The angle of inclination of the mirror is__________.

A) \[30{}^\circ \]

B) \[60{}^\circ \]

C) \[90{}^\circ \]

D) \[120{}^\circ \]

E)  None of these