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Question

Fill in the following blanks with suitable words : (a) The reciprocal of the focal length in metres gives you the of ___ the lens, which is measured in ___ (b) For converging lenses, the power is ___while for diverging lenses, the power is ___.


Solution

(a) The reciprocal of the focal length in metres gives you the of power the lens, which is measured in Dioptre.

(b) For converging lenses, the power is Positive while for diverging lenses, the power is Negative.


Physics
Science for Tenth Class - Part I - Physics
Standard X

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