two lenses of power 2.5 and -4.5D are kept in contact. Find power and nature of the combination. If an object is placed 100cm in front of it, find magnification. PLEASE ANSWER CORRECT AND FAST
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two lenses of power 2.5 and -4.5D are kept in contact. Find power and nature of the combination. If an object is placed 100cm in front of it, find magnification. PLEASE ANSWER CORRECT AND FAST
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