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 _.

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Solution

(a) The reciprocal of the focal length in metres gives you the of POWER the lens, which is measured in DIOPTER (b) For converging lenses, the power is POSITIVE while for diverging lenses, the power is NEGATIVE

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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 ___.

(a) The reciprocal of the focal length in metres gives you the of POWER the lens, which is measured in DIOPTER (b) For converging lenses, the power is POSITIVE while for diverging lenses, the power is NEGATIVE

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 _.