The critical angle is least in which of the following?
A) water
B) glass
C) vacuum
D) diamond

Name: The critical angle is least in which of the following? A) water B) glass C) vacuum D) diamond
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Question

Quizplus · Accepted Answer

The critical angle is least in diamond because it has the highest refractive index among the options given, which means light travels slowest in diamond compared to the other mediums. The critical angle decreases as the refractive index increases.

The Critical Angle Is Least in Which of the Following