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The electric field of an electromagnetic...

The electric field of an electromagnetic wave travelling through vacuum is given by the equation `E=E_(0) sin (k x - omega t)`. The quantity that is independent of wavelength is

A

a. `(k)/(omega)`

B

b. `k omega`

C

c. `omega`

D

d. k

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Th e electric and the magnetic fi eld, associated with an electromagnetic wave, propagating along X axis can be represented by

    A
    `vecE = E_(@) hatJ "and" vecB = B_(@) hatk`
    B
    `overlineE = E_(@) hatk" "and" vecB = B_(@) hatj`
    C
    `vecE = E_(@) hatj" "and" vecB = B_(@) hatj`
    D
    `vece = E_(@) hatj" "and" vecB = B_(@) hatj`
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