For a given incident ray, the plane of the mirror makes an angle\[\the – McqOptions

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1.	For a given incident ray, the plane of the mirror makes an angle\[\theta \]with the incident ray, then the reflected ray is turned through\[2\theta .\]Which of the following is based on the above principle?
A.	Periscope
B.	Kaleidoscope
C.	Shaving mirrors
D.	Automobile head lights
Answer» B. Kaleidoscope

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