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The electric field portion of an electro...

The electric field portion of an electromagnetic wave is given by ( all variables in SI units) `E=10^(-4) sin (6xx10^(5)t -0.01x)` The. Frequency (f) and the speed (v) of electromagnetic wave are

A

`f=30//pi" kHz and "v=1.5xx10^(7)ms^(-1)`

B

`f=90//pi" kHz and "v=6.0xx10^(7)ms^(-1)`

C

`f=300//pi" kHz and "v=6.0xx10^(7)ms^(-1)`

D

`f=600//pi" kHz and "v=7.5xx10^(7)ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The electric field portion of an electromagnetic wave is given by (all variables in SI units) E = 10^(-4) sin (6 xx 10^(5)t - 0.01 x) . The frequency (f) and the speed (v) of electromagnetic wave are:

    A
    `f= 30/pi` kHz and `v = 1.5 xx 10^(7) ms^(-1)`
    B
    `f = 90/pi` kHz and `v = 6.0 xx 10^(7) ms^(-1)`
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