The electromagnetic waves are emitted as a result of(i) Vibrational mo...
The emission occurs when the body is excited by an oscillating electrical signal.
View all questions of this test
The electromagnetic waves are emitted as a result of(i) Vibrational mo...
Electromagnetic Waves
Electromagnetic waves are a form of energy that can travel through space. They are generated by the movement of charged particles, specifically by the acceleration of these particles. This movement can occur at various scales, including vibrational and rotational movements of atoms or molecules, as well as the movement of subatomic particles.
Vibrational Movement
One of the ways electromagnetic waves are emitted is through vibrational movement. When atoms or molecules vibrate, their charged particles move back and forth, creating a changing electric field. This changing electric field then generates a magnetic field, which in turn generates an electromagnetic wave. This is the case for various types of electromagnetic waves, such as infrared and visible light.
Rotational Movement
Electromagnetic waves can also be emitted through rotational movement. In some cases, atoms or molecules can rotate, causing a change in the distribution of charge. This changing charge distribution creates a changing electric field, which then generates a magnetic field and an electromagnetic wave. This is the case for certain types of electromagnetic waves, such as microwaves.
Atomic or Subatomic Particles
Additionally, electromagnetic waves can be emitted by atomic or subatomic particles themselves. These particles, such as electrons, can undergo acceleration due to various processes, such as transitioning between energy levels or being accelerated by external forces. This acceleration of charged particles generates changing electric and magnetic fields, resulting in the emission of electromagnetic waves. Examples of electromagnetic waves emitted by atomic or subatomic particles include X-rays and gamma rays.
Correct Statement
The correct statement is option 'D', which includes all three possibilities: vibrational movement, rotational movement, and atomic or subatomic particles comprising the matter. Electromagnetic waves can be emitted as a result of all these factors, depending on the specific circumstances and the type of wave being generated.
In conclusion, electromagnetic waves are emitted as a result of vibrational movement, rotational movement, and the movement of atomic or subatomic particles. These processes involve the acceleration of charged particles, which generates changing electric and magnetic fields, leading to the emission of electromagnetic waves.