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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………….
Light Reflection and Refraction
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23/08/2021 8:24 pm
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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………….
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23/08/2021 8:24 pm
(a) power, dioptres.
(b) positive, negative.
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