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A real image of 4/5 size of obj is formed 18 cm from a lens . Calculate focal lenghth of lens |
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Answer» Answer: Given that, A real image 4/5 SIZE of OBJECT is formed at 18 cm from a lens. Image distance, v = +18 cm Magnification, So, USING lens formula : So, the focal length of the lens is 10 cm. Explanation: please make me brainlist |
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