1.

One half a convex lems of focal length 20 cm is a black peper16 the lems produce a complete image of the object18) Show the formation of image of an object placed Foods​

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Answer:

One half a convex LEMS of focal LENGTH 20 CM is a black peper

16 the lems PRODUCE a complete image of the object

18) Show the formation of image of an object placed Foods



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