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प्रश्न
Write a scientific reason.
The coin disappears in a vessel as it is seen from a specific location. But as soon as the water is poured into the vessel to a certain level, the coin appears.
Write a scientific reason.
The coin in the disappeared to have been seen from a specific location. But as soon as the water is poured into the pot to a certain level, the coin appears.
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उत्तर
- Light rays coming from the coin emerge out of water and change their direction due to the refraction of light.
- Hence, as soon as the water is poured into the pot to a certain level, the coin appears.
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संबंधित प्रश्न
What is refraction of light?
Fill in the following blank with a suitable word:
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Write all the capital letters of the alphabet which look the same in a plane mirror.
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(a) virtual
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(c) diminished
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Right or wrong sentence.
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Write scientific reason.
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| Ray AB | |
| Ray NM | |
| Ray MD | |
| ∠ r |
Observe the given figure and write appropriate phenomenon of light in the box.

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The angle of incidence from air to glass at the point O on the hemispherical glass slab is.

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