Physics, asked by arnav7089, 1 year ago

Does the focal length changes when a convex lens and a concave mirror is dipped into water?

Answers

Answered by aryansingh6011

1

yess it changes because water acts as a concave mirror...and affects both mirror

arnav7089: thanks for answering but its wrong

Answered by sejal577922

3

The focal length of the concave mirror does not change when it is immersed in water because focal length of a mirror does not depend upon the refractive index of the medium.
Refractive index of glass with respect to water is greater than refractive index of glass with respect to air. Therefore, when a convex lens is dipped into water, its focal length increases.

sejal577922: mark it brainliest

arnav7089: thanks

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