1.

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 ___.

Answer»

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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