In electromagnetic waves travelling in vacuum (i) The electric field {E} is always perpendicular to the magnetic field {B}. (ii) The cross product {E} \\times{B} always gives the direction in which the waves travel. (iii) The field {E} and {B} vary sinusoidally. (iv) There is a phase difference of \frac{\\pi}{2} between {E} and {B}. The correct statement(s) is (are)

Correct Answer is : (i), (ii), (iii)

AMU Engineering 2018 solved paper Solved Paper

Section: Physics

Question : 39 of 150

Marks: +1, -0

In electromagnetic waves travelling in vacuum
(i) The electric field E is always perpendicular to the magnetic field B.
(ii) The cross product E×B always gives the direction in which the waves travel.
(iii) The field E and B vary sinusoidally.
(iv) There is a phase difference of

between E and B.
The correct statement(s) is (are)

(i), (iii)
(i), (iii), (iv)
(i), (ii), (iii), (iv)
(i), (ii), (iii)

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