NUMBER 2 only explain clearly
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2. As shown in the figure the electric field is a transverse wave which vibrates in a direction perpendicular to the direction of propagation. Here it vibrates along the z axis and propogates along the X axis. The magnitude of the wave only varies along X axis and is unaffected by any change in z axis. Therefore point 1 and 2 will have same magnitude and point 3 and 4 would have same magnitude. And as seen from the diagram we can say that 1 = 2 > 3 = 4 in terms of magnitude.
Yes it is consistent with the mathematical expression. As changing z would not cause any change but by changing the X the magnitude of the expression will change according to sine wave.
In the same way magnetic field will also vary. Here it vibrates in y direction and propogates in X direction. And as shown we can say 1 = 2 > 3 = 4 magnitude wise. As it is also consistent with its mathematical expression as only change in X causes change in magnitude.
NUMBER 2 only explain clearly step by step thanks I. Representations of electromagnetic waves A. Shown...
Pretest: Electromagnetic waves Name Pretests 159 1. Shown below are pictorial and mathematical representations of an electromagnetic plane wave space. The electric field is parailel to the z-axis. The magnetic field propagating through empty is parallel to the y-axis. The E(x, y, z, t) E, sin(kx + 0x)2 The points P. Q. R, and S in the diagram above lie in thex-y plane. i. For the instant shown, rank points P. Q. R, and S according to the magnitude of...
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The momentum density of an electromagnetic wave is defined as Pem=€(ĒxB). The direction of the momentum density denotes the direction of the propagation of an electromagnetic wave. At a particular instant, the electric field associated with an electromagnetic wave propagating in free space is directed along the positive X-axis and the magnetic field is along the positive z-axis, as shown in the figure. Z B E What is the direction of propagation for this electromagnetic wave? The electromagnetic wave propagates:...
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An Electromagnetic Wave A sinusoidal electromagnetic wave of frequency 43.0 MHz travels in free space in the x-direction as in the figure. At some instant, a plane electromagnetic wave moving in the x direction has a maximum electric field of 725 N/C in the positive y direction. (a) Determine the wavelength and period of the wave. SOLUTION plane. Conceptualize Imagine the wave in the figure moving to the right along the x-axis, with the electric and magnetic fields oscillating in...
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The momentum density of an electromagnetic wave is defined as Doro(EXB). The direction of the momentum density denotes the direction of the propagation of an electromagnetic wave. At a particular instant, the electric field associated with an electromagnetic wave propagating in free space is directed along the positive x-axis and the magnetic field is along the positive z-axis, as shown in the figure. z B E What is the direction of propagation for this electromagnetic wave? The electromagnetic wave propagates:...
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