how can we get convex lens and concavelens and concave lens result from test tube almost completely filled with water
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Hence the refractive index of the material of the spherical lens would be lesser with respect to water as compared to air. ... Therefore the focal length of a spherical lens (including concave lens) would increase when immersed in water (or any other liquid) compared to a lens surrounded by air
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the convex of the concave lens when emerged in water has a focal length more than the actual focal length of the lens.
Explanation:
- the refractive index of water is more than that of air
- as a result of this the refractive index of glass with respect to air is more than that of refractive index of glass with respect to water. As a result of this in case of water there is less deviation of the rays of light inside the spherical mirror. Hence the focal length of the lens increases when immersed in a liquid which has more optical density than air.
To know more about spherical lens,
What do you mean by spherical lenses? Define with appropriate ...
https://brainly.in/question/4631101
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