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An object is embedded in a block of ice, 10 cm below the plane surface. if the ...

An object is embedded in a block of ice, 10 cm below the plane surface. if the refractive index of the ice is 1.50, the apparent depth below the surface is
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  • A 2.50 cm
  • B 6.67 cm
  • C 7.50 cm
  • D 7.63 cm
Correct Answer: Option B
Explanation:
Refraction index, n = (real depth)/apparent depth
1.5 = (10)/X
X = (10)/1.5 = 6.67 cm

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