Physics

Physics

Problem

An object is placed 30 cm30\,\text{cm} in front of a concave lens of focal length 15 cm15\,\text{cm}. What are the image distance vv and the magnification mm? a) v=+10 cm,  m=−0.33v=+10\,\text{cm},\; m=-0.33 b) v=−10 cm,  m=−0.33v=-10\,\text{cm},\; m=-0.33 c) v=−10 cm,  m=+0.33v=-10\,\text{cm},\; m=+0.33 d) v=+10 cm,  m=+0.33v=+10\,\text{cm},\; m=+0.33

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