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5.A person suffering from short sight is advised towear spectacles having concave lens of power1.25 D. What is the farthest distance he can seeclearly without spectacles?(2) 100 cm(1) 60 cm se(4) 80 cm(3) 120 cm

Answer» 5.A person suffering from short sight is advised towear spectacles having concave lens of power1.25 D. What is the farthest distance he can seeclearly without spectacles?(2) 100 cm(1) 60 cm se(4) 80 cm(3) 120 cm


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