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प्रश्न
Observe the given figure and name the following.
| Ray AB | |
| Ray NM | |
| Ray MD | |
| ∠ r |
उत्तर
| Ray AB | Incident ray |
| Ray NM | Refracted ray |
| Ray MD | Emergent ray |
| ∠ r | Angle of refraction |
संबंधित प्रश्न
A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
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If a ray of light goes from a rarer medium to a denser medium, will it bend towards the normal or away from it?
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State two effects caused by the refraction of light.
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As light rays pass from water into glass, are they refracted towards the normal or away from the normal?
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Fill in the following blank with suitable word:
Light travelling along a normal is ...............refracted.
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Light travels more quickly through water than through glass.
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Show the lateral displacement of the ray on the diagram.
State two factors on which the lateral displacement of the emergent ray depends.
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(a) 0°
(b) 45°
(c) 90°
(d) 120°
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What do you understand by refraction of light?
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Write scientific reason.
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Numerical problems.
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Match the following:
| Column I | Column II | ||
| 1. | r > 90 | a. | Light gazes at the surface of separation between the two modes. |
| 2. | r = 90 | b. | No refraction. |
| 3. | r < 90 | c. | Refracted ray away from the normal |
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