1.

An observer stand on the bank of lake finds fish at the depth 12 cm in water. At what height is the image of fish found raised ?

Answer»

9 cm
12 cm
3 cm
3.8 cm

Solution :
Shift in IMAGE of FISH,
d=H-h.=h-`(h)/(MU)`
`h(1-1/mu)`
`=h(1-3/4)`
`=12(1/4)`
=3 xm


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