A) depend on the nature of the liquid.
B) decrease.
C) remains the same.
D) increase.
Correct Answer: D
Solution :
| Option [d] is correct. |
| Explanation: A diamond is immersed in a liquid with a refractive index greater than water. Then the critical angle for total internal reflection will increase. |
| This is because, as the refractive index of outer medium increases, the refracted ray bends less away from normal. So, angle of incidence should increase more to achieve \[{{90}^{o}}\] angle of refraction. |
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