Explain an activity to find focal length of lens depends on nature of
medium around it
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The focal length of a lens is depended on the surrounding medium. The reason behind this phenomenon is that the angle of refraction of a lens is depended on the indices of refraction of the medium of lens and the incoming medium and the difference in their indices
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The focal length of a lens is depended on the surrounding medium. The reason behind this phenomenon is that the angle of refraction of a lens is depended on the indices of refraction of the medium of lens and the incoming medium and the difference in their indices
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