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PHYSICS

JAMB 2010 - Question 30

Physics 2010 JAMB Past Questions - Question 30: An object is embedded in a block of ice, 10cm below the plane surface . If the refractive index of the ice is 1.50, the apparent depth of the object below the surface is

Choose the correct answers from the options given.

An object is embedded in a block of ice, 10cm below the plane surface . If the refractive index of the ice is 1.50, the apparent depth of the object below the surface is

A: 6.77 cm

B: 7.63 cm

C: 7.50 cm

D: 2.50 cm

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Correct Answer

Explanation

Refraction index, n = (real depth)/apparent depth
1.5 = (10)/X
X = (10)/1.5 = 6.67 cm