if E=E(0)sin(kz-omegat) and B=B(0)(kz-om...

if `E=E_(0)sin(kz-omegat)` and `B=B_(0)(kz-omegat)` are electric and magnetic field produced by an electromagnetic wave travelling in +z direction in a medium. Then if `eta=(E_(0))/(B_(0))`, then the value of `eta` is `[mu`=permeability of a medium `epsilon=`permittivity of medium]

A

`sqrt(in//H)`

B

`sqrt(mu//en)`

C

`sqrt(mu in)`

D

`(1)/(sqrt(muin))`

Text Solution

Verified by Experts

The correct Answer is:

B

Dimensional analysis.

Topper's Solved these Questions

TEST PAPERS
FIITJEE|Exercise PHYSICS|747 Videos
SIMPLE HARMONIC MOTION
FIITJEE|Exercise Assignment Problems (Objective) (Level-II)|20 Videos
WORK, ENERGY AND POWER
FIITJEE|Exercise COMPREHENSIONS ( Comprehension-II)|5 Videos

Similar Questions

Explore conceptually related problems

If E and B represent electric and magnetic field vectors of the electromagnetic wave, the direction of propagation of eletromagnetic wave is along.

If vec(E) and vec(B) represent electric and magnetic field vectors of the electromagnetic wave, the direction of propagation of electromagnetic wave is along

The ratio of amplitude B_(0) and E_(0) of the magnetic electric fields associated with an electromagnetic wave is

The speed of an electromagnetic wave in a material medium is given by n=(1)/(sqrt(mu epsilon)), m being the permeability of the medium and e its permittivity. How does its frequency change ?

The ratio of the amplitude of the electric field to that of the magnetic field (|E|//|B|) of an electromagnetic wave travelling in vacume is always

An electromagnetic wave travels at a speed of 0.8 c in medium .Determine the value of relative permittivity of the medium if value is

An electromagnetic wave travelling along z-axis is given as E=E_(0) " cos "(kz- omegat). Choose the correct options from the following

The electric field of an electromagnetic wave travelling through vaccum is given by the equation E = E_(0) "sin"(kx - omegat) The quantity that is independent of wavelength is

The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is vecE = E_0 hatj cos (omegat - kx) . The magnetic field vecB , at the moment t=0 is :

FIITJEE-TEST PAPERS-PHYSICS

Two plane mirrors intersect at origin. An object 'O' is kept at a dist...
Text Solution
|
A right angled triangular prism of refractive index mu(1) is kept floa...
Text Solution
|
if E=E(0)sin(kz-omegat) and B=B(0)(kz-omegat) are electric and magneti...
Text Solution
|
If a polarised light of intensity l(0)//2 is passed through two polari...
Text Solution
|
In a Lyod's mirror set up for interference of waves of frequency 6xx10...
Text Solution
|
A point source of sound is vibrating with a frequency of 256 vibration...
Text Solution
|
A small pulse is generated on a ring rotating with constant angular v...
Text Solution
|
A sound detector is moving with a constant velocity towards a stationa...
Text Solution
|
Two boats are anchored a distance 'd' apart in a sea, where seabed is ...
Text Solution
|
If photoelectrons emitted by a metl on irradiating it by a light of wa...
Text Solution
|
A narrow beam of monochromatic light of wavelength lamda emitted from ...
Text Solution
|
A hydrogen molecule in excited state travelling in the x-direction wit...
Text Solution
|
Two resistor of resistance R(1)=(6+-0.09)Omega and R(2)=(3+-0.09)Omega...
Text Solution
|
The diameter of a solid sphere is measured by varrier calipers (10 VSD...
Text Solution
|
in a zener diode (dc voltage regulator) circuit with V("zener")=7.0 V ...
Text Solution
|
Phot diodes are preferable used in reverse bias conditions for measuri...
Text Solution
|
A transmitting antenna at te top of a tower has a height 64 m and the ...
Text Solution
|
Maximum power transfer to external circuit in watt will be
Text Solution
|
A plank having mass M is placed on smooth horizontal surface. Block of...
Text Solution
|
A block of mass M and cylindrical tank which contains water having sma...
Text Solution
|