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what is the ultimate source of all electromagnetic waves

by Prof. Haleigh Nader Published 3 years ago Updated 2 years ago

The ultimate source of electromagnetic waves is moving charged particles. These travel at the speed of light and are composed of electric and magnetic...

Full Answer

What electromagnetic waves are most harmful?

  • Radio waves
  • Microwaves
  • Infra-Red
  • Visible
  • Untra-Violet
  • X-Rays
  • Gamma Rays

What produces electromagnetic waves?

  • Alpha or doubly charged helium nucleus emission generally occurs in elements with A > 200.
  • Beta- (negatron) or beta+ (positron) emission depending on excess or deficient neutrons. ...
  • Gamma emission or high energy (>100 keV) radiation. ...
  • Gamma emission may be followed by alpha and beta emissions.

More items...

What are the 7 types of EM waves?

7 Types of EM Waves By: Alex Norby. Radio Waves Radio waves have the longest wavelengths in the EM spectrum, according to NASA, ranging from about 1 millimeter (0.04 inches) to more than 100 kilometers (62 miles). They also have the lowest frequencies, from about 3,000 cycles per second or 3 kilohertz (kHz) up to about 300 billion hertz, or 300 ...

What are facts about electromagnetic waves?

How are Electromagnetic waves formed?

  • Graphical Representation of Electromagnetic Waves. Electromagnetic waves are shown by a sinusoidal graph. ...
  • Intensity of an Electromagnetic Wave
  • Speed of Electromagnetic Waves in Free Space. Electromagnetic waves are classified according to their frequency f or according to their wavelength λ= c f λ = c f.

What is the source of all electromagnetic waves?

Answer 1: The most obvious source of electromagnetic energy and radiation is the sun. The sun provides the initial energy source for much of the remote sensing of the Earth surface.

What is the source of electromagnetic waves quizlet?

Sample Response: The source of electromagnetic waves are charged particles that begin to oscillate when acted upon by a disturbance. These oscillating particles create an oscillating magnetic field.

What are the two main sources of electromagnetic waves?

solar radiation, in other words natural radiation that originates from the sun. terrestrial radiation, in other words natural radiation emitted by the Earth's surface.

What do all electromagnetic waves have in common?

All electromagnetic waves: are transverse waves; can travel through a vacuum ; travel at exactly the same speed in a vacuum, the speed of light, 300,000,000 m/s.

Why is it called electromagnetic waves?

In other words, EM waves are composed of oscillating magnetic and electric fields. Description: Electromagnetic waves are formed when an electric field comes in contact with a magnetic field. They are hence known as 'electromagnetic' waves.

What is the source of wavelength?

Source wavelength is electronically switchable over entire visible spectrum. A source consisting of different-wavelength light-emitting diodes and tunable acousto-optic filters provides fast switching between arbitrary wavelengths from 360nm to 720nm.

What is the source of an electromagnetic wave Class 12?

Sources of Electromagnetic Waves (EM) EM waves are generated by electrically charged particle oscillates (accelerating charges). The electric field associated with the accelerating charge vibrates which generates the vibrating magnetic field. These both vibrating electric and magnetic fields give rise to EM waves.

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