Physics · Light
Two plane mirrors (A) and (B) are aligned at a right angle to each other. If a ray of light strikes mirror (A) at an angle of 20° to the normal and then strikes mirror (B), find the angle of reflection of the ray emerging from mirror (B).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 170°✓
- 220°
- 390°
- 430°
Correct answer
70°
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