A monochromatic plane wave of wavelength - - 600- m is propogating in the direction as shown in the figure below- Ei-Er- and Et denote incident- reflected and transmitted electric field vectors associated with the wave-The expression for Er is

Ans : (a) For reflected wave. E_r propagation direction changes without change in angle 45^∘ E_r propagation direction = â_x â_z√(2) Γ reflection coefficien ...

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Standard XII

Physics

Polarisation

A monochromat...

Question

A monochromatic plane wave of wavelength $λ = 600 μ m$ is propogating in the direction as shown in the figure below. $_{i},_{r}, a n d_{t}$ denote incident, reflected and transmitted electric field vectors associated with the wave.

The expression for ${\to E}_{r}$ is

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Solution

Ans : (a)

For reflected wave.

$E_{r}$ propagation direction changes without change in angle $45^{\circ}$

$E_{r}$ propagation direction = $\frac{{^a}_{x} - {^a}_{z}}{\sqrt{2}}$

$Γ$ reflection coefficient

$Γ = - 0.23$

$E_{r}$ field direction suitably changes satisfying

E . P = 0

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A monochromatic plane wave of wavelength λ=600μm is propogating in the direction as shown in the figure below. −→Ei,−→Er,and−→Et denote incident, reflected and transmitted electric field vectors associated with the wave. The expression for →Er is

Ans : (a) For reflected wave. Er propagation direction changes without change in angle 45∘ Er propagation direction = ^ax−^az√2 Γ reflection coefficient Γ=−0.23 Er field direction suitably changes satisfying E . P = 0

A monochromatic plane wave of wavelength $λ = 600 μ m$ is propogating in the direction as shown in the figure below. $_{i},_{r}, a n d_{t}$ denote incident, reflected and transmitted electric field vectors associated with the wave.

The expression for ${\to E}_{r}$ is

Ans : (a)

For reflected wave.

$E_{r}$ propagation direction changes without change in angle $45^{\circ}$

$E_{r}$ propagation direction = $\frac{{^a}_{x} - {^a}_{z}}{\sqrt{2}}$

$Γ$ reflection coefficient

$Γ = - 0.23$

$E_{r}$ field direction suitably changes satisfying

E . P = 0