An EM wave from air enters a medium. The electric fields are
`overset(vec)E_(1)=E_(01)hatx cos[2piv((z)/(c )-t)]` in air and
`overset(vec)E=E_(02)hatx cos [k(2z-ct)]` in medium, where the wave number k and frequency v refer to their values in air. The medium is non-magnetic. If `in_(r_(1))` and `in_(r_(2))` refer to relative permittivities of air and medium respectively, which of the following options is correct ?

An EM wave from air enters a medium. The electric fields are vec(E )_(1)=E_(01)hat(x)cos[2pi v((z)/(c )-t)] in air and vec(E )_(2)=E_(02)hat(x)cos [k(2z-ct)] in medium, where the wave number k and frequency v refer to their values in air. The medium is non - magnetic. If in_(r_(1)) and in_(r_(2)) refer to relative permittivities of air and medium respectively, which of the following options is correct ?

An EM wave from air enters a medium .The electric fields are vecE _1 = vecE_(01 ) hat x cos [ 2 pi v ((z)/(c )-t)] in air and vecE_2 = E_(02) hat x cos [ k ( 2z-c t ) ] in medium , where the wave number k and frequency v refer to their values in air . the medium is non - magnetic . if epsi_(r_1) and epsi_(r_2) refer to relative permittivities of air and medium respectively , which of the following options is correct ?

An EM wave from air enters a medium . The electric fields are vecE_1=E_(01)hatxcos[2pinu(z/c-t)] in air and vecE_2=E_(02) hatxcos[k(2z-ct)] in medium , where the wave number k and frequency nu refer to their values in air . The medium is non-magnetic . If in_(r_1) and in_(r_2) refer to relative permittivities of air and medium respectively , which of the following options is correct ?

(X) + K_2CO_3 + Air overset(heat)rarr (Y) (Y)+Cl_2 rarr (Z) Pink which of the following is correct ?

The electric field associated with an e.m wave in vaccum is given by vecE = hat i 40 cos (kz-6xx10^8t) , where E , z and t are in volt//m , meter and seconds respectively. The value of wave vector k is

The electric field associated with an electromagnetic wave in vacuum is given by vecE=40cos(kz-6xx10^(8)t)hati, where E, z and t are in volt per meter, meter and second respectively. The value of wave vector k is