brittany5945 brittany5945

12-03-2024
Physics

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A laser beam is incident on a mirror at an angle of 30°. It reflects off the mirror and strikes a wall at point P. The wall is 3.5 m away from the mirror. What is the angle of incidence of the laser beam?
1) 30°
2) 60°
3) 90°
4) 120°

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