Answer to Question #216933 in Physics for Cupid

Question #216933

An inverted image is formed by a lens. The image formed is 4 times the size of the object at 5cm from it. Calculate the power at the lens.

Expert's answer

"-4=-\\frac{v}{5}\\\\v=20\\ cm\\\\\nP=\\frac{1}{0.2}+\\frac{1}{0.05}=25\\ D"

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