Difference between the values of concave xonvex mirror and concave convex lens. the values are positive for which and negative for which??? pls answer soon
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you can see this in ncert book of class 7 ch light
Anonymous:
i have asked u 2 explain rishabh
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Cchjdhgdfuikzzvhuio घोषित gdxvbuurs के g के बाद भी
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