A Brief Guide to Electromagnetic Waves | Electromagnetism

Electromagnetic waves are all around us. Electromagnetic waves are a type of energy that can travel through space. They are created by the vibration of electric and magnetic fields.In this video we will analyze about electromagnetic waves.

• 0:00 Introduction to Electromagnetic waves

• 01:52 Electric and Magnetic force
Electric Field
Magnetic Field

• 04:43 Electromagnetic Force
Why we combine electric and magnetic force
Faraday’s Idea on Electricity and magnetism
Relationship between electric and magnetic force
Electromagnetic Induction
Generator

• 08:21 Origin of Electromagnetic waves
James Clerk Maxwell
Four equations on Electromagnetism
Why light and Electromagnetic waves are same
Evidence of Existence of Electromagnetic Waves

• 12:20 Structure of Electromagnetic Wave
Crest and Through
Wavelength, Amplitude and Frequency
Relationship between Wavelength and Frequency
Energy of Electromagnetic Waves

• 15:51 Classification of Electromagnetic Waves
Electromagnetic Spectrum

• 17:26 Visible Light
Bohr’s Model of Atom
Energy of an Electron
Origin of Visible Light
What is Photon
Wavelength, Frequency and energy of Visible Light
Source of Visible Light

• 22:35 Infrared Radiation
Wavelength, Frequency and energy of Infrared
Dipole Molecules
Origin of Infrared
Electromagnetic radiation as Heat
Infrared cameras

• 26:48 Microwaves
Wavelength, Frequency and energy of Microwaves
How microwaves oven works
Uses of microwaves

• 28:20 Radio waves
Wavelength, Frequency and energy of Radio waves
Non ionizing Radiation
Source of Radio waves
Non ionizing radiation vs ionized radiation

• 30:31 Ultraviolet Radiation
Wavelength, Frequency and energy of Ultraviolet
Bohr’s model of atom
Energy of electrons
Origin of Ultraviolet
Classification of Ultraviolet
How Ultraviolet affects DNA
How Ozone layer prevents Ultraviolet

• 33:43 X rays
Wavelength, Frequency and energy of X rays
Origin of X rays

• 35:09 Gamma rays
Wavelength, Frequency and energy of Gamma rays
Sources of Gamma rays
Nuclear Fusion and Nuclear Fission
Nuclear Weapons
The real threat to Humanity

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