MPSC Rajyaseva 2021 GS Paper 1 — Question 53
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जर प्रकाश पहिल्या माध्यमातून 2 × 10⁸ ms⁻¹ वेगाने जाताना दुसऱ्या माध्यमात त्याचा वेग 1.25 × 10⁸ ms⁻¹ होत असेल तर दुसऱ्या माध्यमाचा पहिल्या माध्यमाच्या संदर्भातील अपवर्तनांक काढा. Find the refractive index of the second medium with respect to the first medium, if light moves through the first medium with velocity 2 × 10⁸ ms⁻¹, which changes to 1.25 × 10⁸ ms⁻¹ in the second medium.
Refractive index of second medium with respect to first medium is given by the ratio of speed of light in the first medium to that in the second medium: (2 × 10⁸) / (1.25 × 10⁸) = 1.6.
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