An incident ray is reflected normally by a plane mirror onto a screen where it forms a bright spot. The mirror and screen are parallel and 1m apart. If the mirror is rotated through 5o, calculate the displacement of the spot
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Correct Answer: Option D
Explanation:
tan 10o = \(\frac{x}{1}\)
x = 1 tan 10o = 0.176m
= 17.6cm
tan 10o = \(\frac{x}{1}\)
x = 1 tan 10o = 0.176m
= 17.6cm