A laser located at fires a beam along the -axis toward a small plane mirror positioned at

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

A laser located at

(0,0)

fires a beam along the

+x

-axis toward a small plane mirror positioned at

(2,0)

. After reflection, the beam must strike a sensor at

(4,4)

. All points lie in the same horizontal plane. What is the angle between the mirror’s normal and the

+x

direction? (a)

64^{\circ}

(b)

32^{\circ}

(c)

58^{\circ}

(d)

16^{\circ}