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2 poin 12. A diverging lens of focal length30cm forms an image at 20cm fromthe lens. How far is the object fromthe lens?O 30cm20cmO40cmO 60cm |
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Answer» An OBJECT is PLACED at a distance of 30 CM from a CONVEX lens of focal length 20 cm. Image distance, v = ? v=60010=60 cm . M=60-30=-2. |
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