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NIKHIL GARG Grade: 12
        


Suppose you are inside the water in a swimming pool near an edge. A friend is standing on the edge. Do you find your friend taller or shorter than his usual height?

6 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

consider an object placed outside water surface , if observer is in water then he will see the image of object formed after refration through water ....


let initially object is placed at a distance x from surface


 for refraction from rarer to denser medium  (u is the refractive index of medium)


u/v - 1/x =u-1/R                                      (refractive index of air is 1)


 R=infinity


u/v=1/x


v=ux              (u>1)


so v>u


thus the height of friend who is outside is greater than original ...


 


 


 

6 years ago
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