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PART - 3 CH - 9 Light-Reflection and Eefraction — Science STD 10 — Question

Gujarat BoardEnglish MediumSTD 10SciencePART - 3 CH - 9 Light-Reflection and Eefraction1 Mark
Question
A ________ lens is thicker at its edges than at its centre. (Concave, Convex, Bifocal)
✓

Answer

concave

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