In an electromagnetic wave the electric field vector and magnetic field vector are given as vecE=E0 hati and vecB=B0 hatk respectively. The direction of propagation of electromagnetic wave is along:

Question

In an electromagnetic wave the electric field vector and magnetic field vector are given as vecE=E0 hati and vecB=B0 hatk respectively. The direction of propagation of electromagnetic wave is along: (A) ( hatk) (B)  hatj (C) (- hatk) (D) (- hatj)

Tardigrade Admin · Accepted Answer

Direction of propagation = vecE × vecB= hati × hatk=- hatj

Q. In an electromagnetic wave the electric field vector and magnetic field vector are given as $E = E_{0} \hat{i}$ and $B = B_{0} \hat{k}$ respectively. The direction of propagation of electromagnetic wave is along:

$(\hat{k})$

$\hat{j}$

$(- \hat{k})$

$(- \hat{j})$

Direction of propagation $= E \times B = \hat{i} \times \hat{k} = - \hat{j}$

Q. In an electromagnetic wave the electric field vector and magnetic field vector are given as E=E0​i^ and B=B0​k^ respectively. The direction of propagation of electromagnetic wave is along:

(k^)

j^​

(−k^)

(−j^​)