An electromagnetic wave travelling through a transparent medium is given by `E_(x)(y,t)=E_(ax)sin2pi[y/(5xx10^(-7))-3xx10^(14)t]` in SI unit then the refractive index of medium is,

For an EMWave, E = E_(0)sin 12 xx 10^(6) [Z-2xx10^(8)t]N/C in a medium, then its refractive index is

For and EMWave . E= E_(0) sin 12 xx 10^(6) [X -2 xx 10^(8) t ] (N)/(C ) in a medium then its refractive index is -

A plane electromagnetic wave propagating in a non-magnetic dielectric medium is given by E=E_(0)[4 times 10^(-7)x-50t] , where x is in metre and t is in second. If the relative permeability of the medium, mu_(r)=1 then the dielectric constant of the medium is

The wave function (in S.I unit ) for an electromagnetic wave is given as- psi(x,t)=10^(3)sinpi(3xx10^(6)x-9xx10^(14)t) The speed of the wave is

The wave function (in SI unit) for a light wave is given as Psi(x,t) = 10^(3) sinpi(3 xx 10^(6) x - 9 xx 10^(14)t) . The frequency of the wave is equal to

Electric field of an electromagnetic wave travelling in vacuum is given by E = 20 sin ( kx - 6 xx 10^(8 ) t) what should the value of k in SI units ?

Imagine an electromagnetic plane wave in vacuum whose electric field (in SI units) is given by E_(x) =10 ^(2) sin pi (3xx 10 ^(6) z -9 z10 ^(14) t ), E _(y) =0, E _(z) =0. The frequency and wavelength will be