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प्रश्न
A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.
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उत्तर
A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. It occurs because of refraction.
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संबंधित प्रश्न
What is refraction of light?
Which type of reflection of light leads to the formation of images?
A boy with a mouth 5 cm wide stands 2 m away from a plane mirror. Where is his image and how wide is the image of his mouth?
The image formed by a plane mirror is :
(a) virtual, behind the mirror and enlarged.
(b) virtual, behind the mirror and of the same size as the object.
(c) real, at the surface of the mirror and enlarged.
(d) real, behind the mirror and of the same size as the object.
Name the phenomenon due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.
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(c) goes along the boundary
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What do you understand by refraction of light?
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Write scientific reason.
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