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JEE Mains · Physics · STD 12 - 9. Ray optics and optical instruments
When one light ray is reflected from a plane mirror with \(30^{\circ}\) angle of reflection, the angle of deviation of the ray after reflection is \(.....^{\circ}\)
- A \(140\)
- B \(120\)
- C \(110\)
- D \(130\)
Answer & Solution
Correct Answer
(B) \(120\)
Step-by-step Solution
Detailed explanation
\(\delta=180^{\circ}-60^{\circ}=120^{\circ}\)
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