Home
Class 12
PHYSICS
A plane electromagnetic wave travels in ...

A plane electromagnetic wave travels in vacuum along z - direction. What can you say about the direction of electric and magnetic field vectors? If the frequency of the wave is 30 MHz. What is its wavelength?

Text Solution

Verified by Experts

E and B vectors must be in x and y directions.
formula: we known `lambda " "=(v)/(lambda) = (3 xx 10^(8))/(30 xx 10^(6))`
`lambda = 10 `cm
Promotional Banner

Similar Questions

Explore conceptually related problems

A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric and magnetic field vectors ? If the frequency of the wave is 30 MHz, what is its wavelength ?

The phase difference between electric and magnetic field vectors in the electromagnetic waves?

Some equipotential surfaces are shown in figure(29.E3) What can you say about the magnitude and the direction of the electric field?

Can an electromagnetic wave be deflected by an electric field? By a magnetic field ?

A plane electromagnetic wave travels in free space along X - direction. If the value of vec(B) (in tesla) at a particular point in space and time is 1.2xx10^(-8)hat(k) . The value of vec(E ) (in V m^(-1) ) at that point is

How is the speed of Electromagnetic waves in vacuum determined by the electric and magnetic fields?

An electromagnetic waves is traveling in vacuum with a speed of 3 xx 10^(8) m/s. find its velocity in a medium having relative electric and magnetic permeability 2 and 1 respectively.