Light travels with speed of 2×108ms-1 in crown glass of refractive index 1.5. The spe....
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Light travels with speed of 2×108ms-1 in crown glass of refractive index 1.5. The speed of light in dense flint glass having a refractive index 1.8 is 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live