how to ray diagrams for the given conditions u=20cm,f=15
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Answer:
euhdhdbdbdbfb f fbdn f f fvbf f f bfbfbfvfbfbbfnfbfbbcbxbcbdbhfhfjfjfjfhfhfhjfjfuf
gdydhdbd xbhxbdbbd
Explanation:
gdjd8sgenld9dhebdkdojr gdydhdbd hdhdufbdbdnjdbrbr r t
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