एक रेलगाड़ी स्टेशन p से 8:8 am पर चलकर स्टेशन q पर उसी दिन 10:28 pm पर पहुंचती है रेलगाड़ी दारा q तक पहुंचने मे कितना समय लगेगा solve questions
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This relationship between the angles of incidence and refraction and the indices of refraction of the two media is known as Snell's Law.
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