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Physics
Physics
Problem
Show that for refraction at a concave spherical surface (separating glass-air medium), the distance of the object should be greater than three times the radius of curvature of the refracting surface for the image to be real.
n
1
=
1.50
n
2
=
1
n_1 = 1.50 \quad n_2 = 1
n
1
=
1.50
n
2
=
1
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