A parallel beam strikes a sphere of R.I. 1.5 and diameter 30 cm, the distance of image from centre of sphere will be: (1) 25.5

A parallel beam strikes a sphere of R.I. 1.5 and diameter 30 cm, the distance of image from centre of sphere will be:

(1) 25.5 cm

(2) 20.5 cm

(3) 22.5 cm

(4) 32.5 cm

A parallel beam strikes a sphere of R.I. 1.5 and diameter 30 cm, the distance of image from centre of sphere will be: (1) 25.5 cm (2) 20.5 cm

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