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

Question

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

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
A. `komega`
B. `(k)/(omega)`
C. `k^(2)omega`
D. `omega`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

The magnetic field in a plane electromagnetic wave is given by `B= (200 (mu) T) sin [(4.0 xx (10^15)(s^-1)(t-(x/c))]`. Find the maximum electric field

2 Answers 5 Views

A linearly polarised electromagnetic wave given as `E=E_(0)haticos(kz-omegat)` is incident normally on a perfectly reflecting wall `z=a`. Assuming tha

2 Answers 4 Views

The electric vector vibration of an electromagnetic wave is given by `E = (50NC^(-1)) sin omega(t-(x)/(c))`, The intensity of the wave is

2 Answers 5 Views

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

2 Answers 5 Views

it the two waves represented dy `y_(1)=4cos omegat` and `y_(2)=3 cos(omegat+pi//3)` interfere at a point, then the amplitude of the resulting wave wil

2 Answers 4 Views

Assertion : The electromagnetic wave is transverse in nature Reason : Electromagnetic wave propagates parallel to the direction of electric and magnet

2 Answers 4 Views

Which of the following functions represent `SHM` :- (i) `sin 2omegat` , (ii) `sin omegat + 2cos omegat` , (iii) `sinomegat + cos 2omegat`

2 Answers 4 Views

Equations of a stationery and a travelling waves are `y_(1)=a sin kx cos omegat and y_(2)=a sin (omegat-kx)` The phase differences between two between

2 Answers 4 Views

Find the principal values of the following (i) `sin^(-1) (sin 1)` (ii) `sin^(-1) (sin 2)` (iii) `sin^(-1) (sin 10)` (iv) `sin^(-1) (sin 20)` (v) `sin^

2 Answers 5 Views

The value of `sin^(-1)[xsqrt(1-x)-sqrt(x)sqrt(1-x^2)]` is equal to `sin^(-1)x+sin^(-1)sqrt(x)` `sin^(-1)x-sin^(-1)sqrt(x)` `sin^(-1)sqrt(x)-sin^(-1)x`

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Here, `k=(2pi)/(lambda),omega=2piupsilon`
`therefore" "(k)/(omega)=(2pi//lambda)/(2piupsilon)=(1)/(upsilon lambda)=(1)/(c)" "(thereforec=ulambda)`
where c is the speed of electromagnetic wave in vacuum.
It is a constant whose value is `3xx10^(8)"m s"^(-1)`.

4 views Answered 2023-02-05 15:29