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For a plane wave propagating in an unbounded medium (say, free space), the minimum angle between electric field and magnetic field vectors is
- a)0°
- b)60°
- c)90°
- d)180°
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
For a plane wave propagating in an unbounded medium (say, free space),...
Concept:
Loss tangent is given by
tanθ = σ/ω
And angle between E and H is:
θn = θ/2
θn = θ/2
For a plane wave propagating in an unbounded medium, the angle between the electric field and magnetic field is always 90°
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For a plane wave propagating in an unbounded medium (say, free space),...
Explanation:
The minimum angle between the electric field (E) and magnetic field (H) vectors in a plane wave propagating in an unbounded medium is 90°. This is because the electric and magnetic fields in a plane wave are perpendicular to each other and also perpendicular to the direction of wave propagation.
Perpendicular Nature of E and H fields:
- In a plane wave, the electric field vector is perpendicular to the magnetic field vector.
- This relationship between E and H fields is described by Maxwell's equations.
Direction of Propagation:
- The direction of propagation of a plane wave is perpendicular to both the electric and magnetic fields.
- This means that the electric field, magnetic field, and propagation direction form a right-handed coordinate system.
Minimum Angle:
- Since the electric and magnetic fields are perpendicular to each other in a plane wave, the minimum angle between them is 90°.
- This ensures that the wave satisfies the fundamental electromagnetic wave properties.
Therefore, in a plane wave propagating in an unbounded medium, the minimum angle between the electric field and magnetic field vectors is 90°.
The minimum angle between the electric field (E) and magnetic field (H) vectors in a plane wave propagating in an unbounded medium is 90°. This is because the electric and magnetic fields in a plane wave are perpendicular to each other and also perpendicular to the direction of wave propagation.
Perpendicular Nature of E and H fields:
- In a plane wave, the electric field vector is perpendicular to the magnetic field vector.
- This relationship between E and H fields is described by Maxwell's equations.
Direction of Propagation:
- The direction of propagation of a plane wave is perpendicular to both the electric and magnetic fields.
- This means that the electric field, magnetic field, and propagation direction form a right-handed coordinate system.
Minimum Angle:
- Since the electric and magnetic fields are perpendicular to each other in a plane wave, the minimum angle between them is 90°.
- This ensures that the wave satisfies the fundamental electromagnetic wave properties.
Therefore, in a plane wave propagating in an unbounded medium, the minimum angle between the electric field and magnetic field vectors is 90°.
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For a plane wave propagating in an unbounded medium (say, free space), the minimum angle between electric field and magnetic field vectors isa)0°b)60°c)90°d)180°Correct answer is option 'C'. Can you explain this answer?
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