Physics · Ray Optics
A plane mirror is arranged horizontally. A ray of light is incident on its centre from a fixed source at an angle of 45°. If the mirror is rotated about its centre anticlockwise by 10°, then the reflected ray is rotated by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120° anti-clockwise✓
- 210° anti-clockwise
- 320° clockwise
- 410° clockwise
Correct answer
20° anti-clockwise
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