%3Cdiv%20class%3D%22c2%22%3E%0A%3Cdiv%20id%3D%22MathJax_MSIE_Frame%22%20class%3D

Question

%3Cdiv%20class%3D%22c2%22%3E%0A%3Cdiv%20id%3D%22MathJax_MSIE_Frame%22%20class%3D%22c1%22%3E%3C%2Fdiv%3E%0A%3C%2Fdiv%3E%0A%3Cspan%20class%3D%22c4%22%3E%3Cspan%20class%3D%22c3%22%3EA%20fragment%20of%20cubic%20zirconia%20is%0Aspherical%20and%20has%20a%20radius%20of%2020%20cm%2C%20it%20is%20underwater.%20An%20object%203%0Acm%20away%20makes%20an%20image%20that%20is%20inside%20the%20cubic%20zirconia.%20Where%20is%0Athis%20image%20locate%2C%20what%20kind%20of%20image%20is%20it%2C%20and%20what%20is%20the%0Amagnification%3F%3C%2Fspan%3E%20Indices%20of%20refraction%3A%20Cubic%20zirconia%3A%202.20%0Aand%20water%3A%201.33%3C%2Fspan%3E

Explanation / Answer

1/S + 1/S' = [(Uz/Uw)-]*2/R

1/3 +1/S' = ((2.2/1.33)-1)*(2/20)

S' = -3.732 cm

virtual and upright

m = -S'/S = 1.244

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