Wednesday, August 17, 2011

How come the rod disappears? [3 marks]

There is a matching of the refractive index of the glass rod and the liquid. [1 mark]
Since the refractive index is the same, there is no bending of light when it passes through the rod from the liquid. [1 mark]
When there is no bending of light, the rod appears as if it is transparent. [1 mark]

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