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An electromagnetic wave going through va...

An electromagnetic wave going through vacuum is described by `E=E_(0) sin (kx-omega t)` which of the following is/are independent of the wavelength?

A

k

B

`k//omega`

C

`k omega`

D

`omega`.

Text Solution

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The correct Answer is:
B
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An electromagnetic wave going through vacuum is described by E=E_(0) sin (kx - omegat) which of the following "is" // "are" independent of the wavelength ?

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Knowledge Check

  • An electromagnetic wave going through vacuum is described by: E=E_(0) sin(kx - omega t) B=B_(0) sin(kx - omega t)

    A
    `E_(0)B_(0)=omega k`
    B
    `E_(0) omega=B_(0)k`
    C
    `E_(0)k=B_(0)omega`
    D
    None of these

  • Speed c of e.m. waves through vacuum is equal to :

    A
    `sqrt(mu_(0) epsilon_(0))`
    B
    `1 // sqrt(mu_(0) epsilon_(0))`
    C
    `sqrt(mu_(0) // epsilon_(0))`
    D
    `sqrt(epsilon_(0) // mu_(0))`

  • Which of the following electromagnetic waves has the longest wavelength ?

    A
    Radiowaves
    B
    Infrared radiation
    C
    Microwaves
    D
    X-rays

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