O-LevelPhysicsLight5054/11 · May/June 2019 · Q241 Mark

A ray of light strikes a plane mirror at an angle of incidence of 20°. The angle of incidence is then increased by 5°. What is the new angle between the incident ray and the reflected ray?

A10°

B25°

C45°

D50°

✓ Correct answer

D: 50°

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