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प्रश्न
Select the most appropriate word from the given box and fill in the following blanks.
| normal 48.6° ray red refractive index vacuum 41° refraction 2.3 |
A ray of light in air enters glass and bends towards ______.
रिक्त स्थान भरें
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उत्तर
A ray of light in air enters glass and bends towards normal.
Explanation:
When light travels from an optically rarer medium (air) into an optically denser medium (glass), its speed decreases, causing the ray to bend towards the normal at the boundary.
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अध्याय 2: Light - Graded Assignment 2.1 [पृष्ठ ११६]
