An electromagnetic wave travelling through a transparent medium is given by E x y - t - E 0 x sin 2 - y -5 - 10-7-4 - 1014 t - in SI units- Then what isthe refractive index of the medium-A- 1B- 1-5C- 1-8D- 2

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Light as Wave

An electromag...

Question

An electromagnetic wave travelling through a transparent medium is given by $E_{x} (y, t) = E_{o x} s i n 2 π [\frac{y}{5 \times 10^{- 7}} - 4 \times 10^{14} t]$ in SI units. Then what is the refractive index of the medium?

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E_{x} (y, t) = E_{o x} s i n 2 π

[\frac{y}{5 \times 10^{- 7}} - 3 \times 10^{14} t]

3 \times 10^{8} m / s

x (-)

Φ (x, t) = 10^{3} sin π (3 \times 10^{6} x - 9 \times 10^{14} t)

4 \times 10^{14}

λ = 5 \times 10^{- 7}

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