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A plane polarized electromagnetic wave ...

A plane polarized electromagnetic wave of frequency `6xx10^(8)`Hz is propagating through a region of space. Electric field is along positive z-direction and magnetic field is along positive y-direction at some instant. The peak value of electric field is 3 milli-volt/m.
The direction of propagation of wave is

A

Positive x-direction

B

Negative x-direction

C

Positive y-direction

D

Negative y-direction

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A plane polarized electromagnetic wave of frequency 6xx10^(8) Hz is propagating through a region of space. Electric field is along positive z-direction and magnetic field is along positive y-direction at some instant. The peak value of electric field is 3 milli-volt/m. The electromagnetic wave could be represented by

    A
    `B=(10^(-8) sin 2pi[2x-(6xx10^(-8))t]`
    B
    `B=(10^(-11) sin 2pi[2x-(6xx10^(-8))t]`
    C
    `B=(10^(-11) sin 2pi[2x-(6xx10^(-8))t]`
    D
    `B=(10^(-11) sin 2pi[2x-(6xx10^(-8))t]`
  • A plane polarized electromagnetic wave of frequency 6xx10^(8) Hz is propagating through a region of space. Electric field is along positive z-direction and magnetic field is along positive y-direction at some instant. The peak value of electric field is 3 milli-volt/m. Aveage energy density in the electromagnetic wave is

    A
    `4xx10^(-14)J//m^(3)`
    B
    `2xx10^(-14)J//m^(3)`
    C
    `2xx10^(-17)J//m^(3)`
    D
    `4xx10^(-17)J//m^(3)`
  • A plane electromagnetic wave of frequency 28 MHz travels in free space along the positive x-direction . At a particular point in space and time, electric field is 9.3 V/m along positive y-direction. The magnetic field (in T) at that point is

    A
    `3.1 xx 10^(-8)` along positive z-direction
    B
    `3.1 xx 10^(-8)` along negative z-direction
    C
    `3.2 xx 10^(7)` along positive z-direction
    D
    `3.2 xx 10^7` along negative z-direction
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