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The electric field vector of an electrom...

The electric field vector of an electromagnetic wave is `E=E_(0)sin [2pi ((x)/(lambda)-(t)/(T))]hat(j)`
a. Write the magnetic field vector of this wave.
b. What is the direction of propagation ?
c. With what velocity the wave propagates ?

Text Solution

Verified by Experts

a. `bar(B)=B_(0)sin[2pi((x)/(lambda)-(t)/(T))]hat(k)`
b. X - direction (or along `hat(i)`)
c. `c = upsilon lambda " " c=(1)/(sqrt(mu_(0)epsilon_(0)))` or `c=(1)/(sqrt(mu epsilon))` (in a medium)
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