A lens produces a magnification of 1/3 . is this a converging or diverging lens . if the focal length of lens is 30 cm, draw a ray diagram showing the image formation in this case.
under what condition will a glass placed in a transparent liquid become invisible.
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Explanation:
It is a diverging lens, because the sign was positive which indicates that the image formed should be virtual and erect .so it is a concave lens.
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