Home
Class 12
PHYSICS
A plane electromagnetic wave of frequenc...

A plane electromagnetic wave of frequency 50 MHz travels in free space along the x-direction. At a particular point in space and time, `vecE=6.3hatj"V m"^(-1)`.
At this point `vecB` is equal to

Text Solution

Verified by Experts

The magnitude of `hatB` is
`B=(E)/(C)=(6.3V//m)/(3xx10^(8)m//s)=2.1xx10^(-8)T`
To find the direction, we note that E is along y-direction and the wave propagates along x-axis. Therefore, B should be in a direction perpendicular to both x-and y-axes. Using vector algebra, `ExxB` should be along x-direction. Since, `(+hatj)xx(+hatk)=hatiB` is along the z-direction.
Thus, `barB=2.1xx10^(-8)hatkT`.
Promotional Banner

Similar Questions

Explore conceptually related problems

A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time, vec(E)=6.3hat(j)V//m . What is B at this point ?

A plane electromagnetic wave of frequency 25 Mhz travels in free space along the x-direction. At a particular point in space and time, E= (6.3 j) V//m . What is B at this point?

A plane electromagnetic wave of frequency 25 Mhz travels in free space along the x-direction. At a particular point in space and time, E= (6.3 j) V//m . What is B at this point?

A plane electromagnetic wave of frequency 25 Mhz travels in free space along the x-direction. At a particular point in space and time, E= (6.3 j) V//m . What is B at this point?

A plane electromagnetic wave of frequency 50 MHz travels in free space along the positive x-direction. At a particular point is space and time, vec(E)=6.3hatjV//m. The corresponding magnetic field hatB , at that point wiil be:

A plane electromagnetic wave of frequency 50 MHz travels in free space along the positive x-direction. At a particular point is space and time, vec(E)=6.3hatjV//m. The corresponding magnetic field hatB , at that point wiil be:

A plane electromagnetic wave of frequency 28 MHz travels in free space along the positive x-direction . At a particular point in space and time, electric field is 9.3 V/m along positive y-direction. The magnetic field (in T) at that point is

A plane electromagnetic wave of frequency 25 GHz is propagating in vacuum along the z-direction. At a particular point in space and time, the magentic field is given by vecB = 5 xx 10^(-8) hati T . The corresponding electric field E is (speed of light c = 3 xx 10^(8)ms^(-1)

A plane electromagnetic wave of frequency 20 MHz travels through a space along x-direction. If the electric field vector at a certain point in space is 6 Vm^(-1) ,then what is the magnetic field vector at that point?

A plane electromagnetic wave travels in free space along the x- direction. The electric field component of the wave at a particular point of space and time is E=6Vm^(-1) along y- direction. Its corresponding magnetic field component, B would be: