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WAEC - Physics (1991 - No. 26)
Calculate the refractive index of the material of the glass block shown in the diagram if YZ = 4cm
0.40
0.60
1.50
1.67
2.50
Forklaring
n = \(\frac{\text{real depth}}{\text {apparent depth}}\)
\(\frac{10}{10^{-4}}\) = 1.6
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