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JEE Main Physics Class 12 Electromagnetic Waves Part 1 Questions

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Question : 97

Total: 100

An electromagnetic wave with frequency ω and wavelength λ travels in the + y direction. Its magnetic field is along + x-axis. The vector equation for the associated electric field (of amplitude E0 ) is

[Online May 19, 2012]

→
E
=−E0‌cos(ωt+
2π
λ
y)‌
^
x
→
E
=E0‌cos(ωt−
2π
λ
y)‌
^
x
→
E
=E0‌cos(ωt−
2π
λ
y)‌
^
z
→
E
=−E0‌cos(ωt−
2π
λ
y)‌
^
z

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