JEE Main 16 Apr 2018 Shift 1 Solved Paper

Section: Physics

Question : 21 of 90

Marks: +1, -0

A plane electromagnetic wave of wavelength λ has an intensity I. It is propagating along the positive Y-direction.The allowed expressions for the electric and magnetic fields are given by :

[Main 16 April 2018 S1]

→
E
=√
2I
∊0c
cos[
2π
λ
(y−ct)]
∧
k
;
→
B
=+
1
c
E
∧
i
→
E
=√
2I
∊0c
cos[
2π
λ
(y+ct)]
∧
k
;
→
B
=
1
c
E
∧
i
→
E
=√
I
∊0c
cos[
2π
λ
(y−ct)]
∧
k
;
→
B
=
1
c
E
∧
i
→
E
=√
I
∊0c
cos[
2π
λ
(y−ct)]
∧
i
;
→
B
=
1
c
E
∧
k

Validate

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