A person least distance of distint vision is 50cm .calculate the focal length of lens in his reading glass. Write the name of dieses the person is suffering from
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He is suffering from hypermetropia
v=-25 cm
u= -50 cm
1/v-1/u=1/f
1/-25+1/50=1/f
f=50cm
v=-25 cm
u= -50 cm
1/v-1/u=1/f
1/-25+1/50=1/f
f=50cm
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