1.

A thin prism of angle 5^(@) is placed at a distance of 10 cm from the object. What is distance of image from the object ?

Answer»

0.25 cm
0.43 cm
0.52 cm
0.61 cm

Solution :(b) `D = (mu - 1) A`

DISTANCE of image from the OBJECT is
`OI = OE XX D = u xx (mu - 1) A`
`therefore OI = 10 (1.5 - 1) xx (pi xx 5)/(180^(@)) = 0.43cm`


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