· 2018-11-06 · physics () (chapter 9)(ray optics and optical instruments) (class 12) 20 2240...
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- · 2018-11-06 · Physics () (Chapter 9)(Ray Optics and Optical Instruments) (Class 12) 20 2240 Magnification m' — 92 112 92 20 Hence, the magnification due to the concave lens
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