Question

स्टेट द रिलेशन बिटवीन द रिफ्लेक्टिव इंडेक्स एंड क्रिटिकल एंगल​

Answer 1

Answer:

The ratio of velocities of a light ray in the air to the given medium is a refractive index. Thus, the relation between the critical angle and refractive index can be established as the Critical angle is inversely proportional to the refractive index