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A small pin fixed on a table top is viewed from above from a distance of 50cm. By what distance would the pin appear to be raised if it is viewed from the same point through a 15cm thick glass slab held parallel to the table? Refractive index of glass = 1.5. Does the answer depend on the location of the slab?

A small pin fixed on a table top is viewed from above from a distance of 50cm. By what distance would the pin appear to be raised if it is viewed from the same point through a 15cm thick glass slab held parallel to the table? Refractive index of glass = 1.5. Does the answer depend on the location of the slab?

Grade:11

1 Answers

Anubhav Raj
13 Points
4 years ago
given real depth = 15 cmμ=1.5μ=1.5Let the opponent depth be xμ=15xμ=15x=> x=151.5x=151.5=10cm=10cmDistance through which the pin appears to be raised is 15−1=5cm15−1=5cmThe answer does not depend on the location of the table .

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