electromagnetic waves

JEE Mains 2015 Online › Electricity and magnetism questions › electromagnetic waves

suppose that the electric field part of an electromagnetic wave in vacuum is:
E vector={(3.1 N/C)cos[(1.8 rad/m)y+(5.4*10⁶rad/s)t]}i
a)what's the direction of propagation
b)find wavelength and frequency of wave
c)what's the amplitude of magnetic field part of the wave
d)write an expression for magnetic field part of the wave

#Physics #Electricity and magnetism

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Arka Halder ·2010-02-20 22:40:21

a)-j
b)3.5m,86 MHz
c)10.3 nT
d)10.3 nT cos[1.8 y + 5.4*10⁶]k

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