A light incident normally on a plane mirror. What is the
displacément of reflected spot of light on a screen placed 1.5 m
away when mirror is rotated by 3.5°?
Answers
Answered by
1
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.
Answered by
8
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
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