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प्रश्न
A ray of light strikes a plane mirror PQ at an angle of incidence of 30°, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is ______.
पर्याय
30°
45°
60°
90°
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उत्तर
A ray of light strikes a plane mirror PQ at an angle of incidence of 30°, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is 60°.
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संबंधित प्रश्न
What is the difference between regular reflection of light and diffuse reflection of light?
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Refraction occurs because light slows down in denser materials.
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Write scientific reason.
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Under what circumstances there won’t be any refraction of light when it enters from one medium to another?
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A ray of light starting from diamond is incident on the interface separating diamond and water. Draw a labelled ray diagram to show. the refraction of light in this case.
When a ray of light travels normal to the given surface, then the angle of refraction is ______.
