
What is electromagnetic radiation?
Answer
518.4k+ views
Hint:Use the concept that the electromagnetic radiation is a form of energy that occurs in the universe in the form of electric field and the magnetic field and travels with the speed of the light.
Complete step-by-step solution:
Electromagnetic energy is the form of energy that has a speed of light that has properties of oscillating electric and oscillating magnetic fields. The electromagnetic radiation does not have any mass but it travels in the form of small energy packets which are known as photons. Some of the common examples of the electromagnetic radiation are ultraviolet rays, gamma rays, microwaves and many more. The naturally occurring heavenly sources of the electromagnetic radiation are the stars and the sun.
The electromagnetic radiation has the particle nature and dual wave nature. Thus, this energy is the form of propagation in which both the photons and the wave properties have the speed of the light. When these photons propagating with the speed of the light fall on an object they transfer their energy on the interaction with the object.
The energy that the photons transmit is inversely proportional to the wavelength of the wave and is in proportion to the frequency of the wave.
Consider the fact that \[0.01\] percent of the \[\dfrac{{{\text{mass}}}}{{{\text{energy}}}}\] occurs in electromagnetic radiation in the universe. All the life process or technical process indirectly or directly relies on it. By the help of electromagnetic radiation the light from the sun is converted from photon energy to photosynthesis by the plants.
Note:-
A current which changes continuously in magnitude and periodically reverses in direction is known as an alternating current.
$I = {I_0}\sin \omega t$
Here, $\omega $ is the angular frequency.
Complete step-by-step solution:
Electromagnetic energy is the form of energy that has a speed of light that has properties of oscillating electric and oscillating magnetic fields. The electromagnetic radiation does not have any mass but it travels in the form of small energy packets which are known as photons. Some of the common examples of the electromagnetic radiation are ultraviolet rays, gamma rays, microwaves and many more. The naturally occurring heavenly sources of the electromagnetic radiation are the stars and the sun.
The electromagnetic radiation has the particle nature and dual wave nature. Thus, this energy is the form of propagation in which both the photons and the wave properties have the speed of the light. When these photons propagating with the speed of the light fall on an object they transfer their energy on the interaction with the object.
The energy that the photons transmit is inversely proportional to the wavelength of the wave and is in proportion to the frequency of the wave.
Consider the fact that \[0.01\] percent of the \[\dfrac{{{\text{mass}}}}{{{\text{energy}}}}\] occurs in electromagnetic radiation in the universe. All the life process or technical process indirectly or directly relies on it. By the help of electromagnetic radiation the light from the sun is converted from photon energy to photosynthesis by the plants.
Note:-
A current which changes continuously in magnitude and periodically reverses in direction is known as an alternating current.
$I = {I_0}\sin \omega t$
Here, $\omega $ is the angular frequency.
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