A light incident normally on a plane mirror. What is thedisplacément of reflected spot of light on a screen placed 1.5 maway when mirror is rotated by 3.5°? About the author Charlotte
Answer: θ=3.5° ,D=1.5m Reflected rays get deflected by an amount twice the angle of deflection, i.e., 2θ=7° d is the displacement of reflected spot of light on screen. tan2θ=d/1.5⇒d=18.4cm Reply
The displacement (d) of the reflected spot of light on the screen is given as: Hence, the displacement of the reflected spot of light is 18.4 cm. Reply
Answer:
θ=3.5°
,D=1.5m
Reflected rays get deflected by an amount twice the angle of deflection, i.e., 2θ=7°
d is the displacement of reflected spot of light on screen.
tan2θ=d/1.5⇒d=18.4cm
The displacement (d) of the reflected spot of light on the screen is given as: Hence, the displacement of the reflected spot of light is 18.4 cm.