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Locate the image formed by refraction in the situation shown in figure (18-E11).
Refractive indexes of two mediums are:
C id the center of curvature
Distance of C from the pole =20cm
Therefore, the radius of curvature R=20 cm
Distance of Source S from the pole is 25 cm.
Therefore, object distance u= -25
Image distance =v
⇒
⇒
The location of image is 100 cm from the pole and on the side of Source S.