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NEET-XII-Physics

18: Geometrical Optics

with Solutions -
Qstn# i-17 Prvs-QstnNext-Qstn
  • #17
    If a thin lens is dipped in water, does its focal length change?
    Ans : Yes, the focal length of the lens will change. This is because its focal length is dependent on the medium in which the light rays travel.
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