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What is average electric energy density when a plane electromagnetic wave travels in vacuum?
Wiki User
ā 11y ago
The average energy density is pressure P=S/c= E2/zc = DE = hc/r4.
Wiki User
ā 11y ago
The average electric energy density of a plane electromagnetic wave traveling in vacuum is equal to the average of the square of the electric field strength divided by twice the characteristic impedance of free space (377 ohms). Mathematically, it is given by (Īµā * EāĀ²)/2, where Īµā is the permittivity of free space and Eā is the magnitude of the electric field strength.
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What does Electromagnetic energy travel in?
Electromagnetic energy travels in electromagnetic waves, which are composed of electric and magnetic fields that oscillate perpendicular to each other as they propagate through space at the speed of light.
Light energy travels in?
Light energy travels in the form of electromagnetic waves, which do not require a medium to propagate. These waves consist of oscillating electric and magnetic fields that move through space at the speed of light.
An electromagnetic wave carries electric and magnetic energy that travels at the speed of 300000000 meters per what?
The speed of an electromagnetic wave is 300,000,000 meters per second, which is the speed of light in a vacuum.
Does light travel in compression waves?
No, light travels in electromagnetic waves, not compression waves. Compression waves are associated with sound waves, where particles are compressed and expanded as the wave passes through a medium. In contrast, electromagnetic waves do not require a medium to travel and propagate through oscillating electric and magnetic fields.
What is light... a wave of vibrating electric and magnetic energy a wave that travels by compressions a wave that travels by rarefactions or a state of matter?
Light is a wave of vibrating electric and magnetic energy that travels through space in the form of electromagnetic radiation. It does not travel by compressions or rarefactions as sound waves do. Light does not fall under the category of a state of matter.
Which type of energy travels as alternating electric and magnetic fields?
Electromagnetic energy.
What does Electromagnetic energy travel in?
Electromagnetic energy travels in electromagnetic waves, which are composed of electric and magnetic fields that oscillate perpendicular to each other as they propagate through space at the speed of light.
Which type of energy travels in waves?
An electromagnetic wave, such as light.An electromagnetic wave, such as light.An electromagnetic wave, such as light.An electromagnetic wave, such as light.
As an electromagnetic wave travels its energy is carried through?
the oscillating electric and magnetic fields. These fields are perpendicular to each other and to the direction of the wave's propagation. Energy is transferred as the fields interact with charged particles in the medium through which the wave is traveling.
Light travels through space as electromagnetic what?
Light travels through space as electromagnetic radiation. This radiation consists of oscillating electric and magnetic fields that move through space at the speed of light.
What does Electromagnetic energy travels?
Electromagnetic energy travels in waves.
What is the source of electromagnetic wave?
Electromagnetic waves come from accelerating electric charges, often electrons in atoms. The energy given off travels in a wave that is partly electric and partly magnetic.
How long does earths magnetic flip take?
An electromagnetic wave is a form of radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge. An electromagnetic wave travels like any other form of radiation or light, except for the fact that an electromagnetic wave moves perpendicular to an electric field and a magnetic field.
What kind of Wave is an electromagnetic wave how fast does it travel?
An electromagnetic wave is a transverse wave that consists of oscillating electric and magnetic fields. It travels at the speed of light in a vacuum, which is approximately 299,792 kilometers per second (186,282 miles per second).
Light energy travels in?
Light energy travels in the form of electromagnetic waves, which do not require a medium to propagate. These waves consist of oscillating electric and magnetic fields that move through space at the speed of light.
When electromagnetic energy travels from air into water the waves are bent due to the density differences between the air and water what is this bending called?
This bending of electromagnetic waves when they pass from one medium to another with different densities is called refraction. Refraction occurs due to the change in speed of the waves as they move from one medium to another, causing them to change direction.
An electromagnetic wave carries electric and magnetic energy that travels at the speed of 300000000 meters per what?
The speed of an electromagnetic wave is 300,000,000 meters per second, which is the speed of light in a vacuum.
