Question

Which one of the following causes small air bubbles in water, which is stored in a glass vessel, to appear to shine with a silvery luster?

Directions : Each of the following five items consists of a word in capital letters, followed by four words or groups of words. Select the word or group of words that is most similar in meaning to the word in capital letters.
A Total internal reflection
B Reflection of light rays
C Refraction of light rays
D Polarization of light rays
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