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A rectangular metal tank filled with a certain liquid is as shown in the figure. The observer, whose eye is in level with the top of the tank, can just see the corner E of the tank. Therefore, the refractive index of the liquid is

Options

  1. A1.67
  2. B1.50
  3. C1.33
  4. D1.25

Correct answer

D. 1.25

Step-by-step solution

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