9. An object placed 20 cm from a concave mirror forms an image that is 3...

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9 ct) g data 2 d o ar d o (-os) と0.2. 5 S3 ヂ S2x0.15 ブ: 0.3m ( &t) =15 (glass) ทุ ois d o 2 dl do C-8)

Answer 2

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