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Object distance and image distance of a lens are -60 cm and -20 cm respectively,then the magnification of lens will beA. -0.33B. +3.0C.+0.33D. +4.0 |
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Answer» answer is d Step-by-step explanation: it is like PLUS and minus equal to minus in decimal FORM, so : 60+(-20)=+4.0 in decimal form |
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