If \({ }^{i} \mu_{ j }\) represent refraction index when a light ray goes from medium î to....

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If \({ }^{i} \mu_{ j }\) represent refraction index when a light ray goes from medium î to \(\hat{j}\) then the product \({ }^2 \mu_1 \times{ }^3 \mu_2 \times{ }^4 \mu_3\) will be:  📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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