A Glass Block with an Index of Refraction of 1 $\ge$

question 49

Multiple Choice

A glass block with an index of refraction of 1.7 is immersed in an unknown liquid.A ray of light inside the block undergoes total internal reflection as shown in the figure.Which one of the following relations best indicates what may be concluded concerning the index of refraction of the liquid, n_L?

• A)n_L < 1.0
• B)n_L \(\ge\) 1.1
• C)n_L \(\ge\) 1.3
• D)n_L \(\le\) 1.1
• E)n_L \(\le\) 1.3

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