Physics

Physics

Problem

Which relation correctly gives the apparent depth

h'

of an object at real depth

h

in a medium of refractive index

n

when it is viewed normally from air? a)

h' = hn

b)

h' = \dfrac{h}{n^{2}}

c)

h' = \dfrac{h}{n}

d)

h' = \dfrac{h\,(n-1)}{n}

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