The wave length of the Green light of mercury in glass is \( 550 \mathrm{~nm} \). If the refract...

The wave length of the Green light of mercury in glass is \( 550 \mathrm{~nm} \). If the refractive index of the glass is 1.5 , the time period of the electrical vector in glass nearly \( \left(C_{0}=3 \times 10^{8} \mathrm{mS}^{-1}\right) \) (a) \( 1.8 \times 10^{-9} \mathrm{~S} \) (b) \( 3.6 \times 10^{-15} \mathrm{~S} \) (c) \( 9 \times 10^{-15} \mathrm{~S} \) (d) \( 2.75 \times 10^{-15} \mathrm{~S} \) 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live

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