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प्रश्न
Air is optically .......... than glass.
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उत्तर
Air is optically rarer than glass.
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संबंधित प्रश्न
Fill in the following blank with a suitable word:
When light is reflected, the angles of incidence and reflection are ............ .
The letter F is placed in front of a plane mirror:
How would its image look like when seen in a plane mirror?
The image in a plane mirror is virtual and laterally inverted. What does this statement mean?
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?
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(a) it is refracted towards the normal
(b) it is not refracted at all
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What is the cause of refraction of light when it passes from one medium to another?
What is refractive index?
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