Question

What are electromagnetic waves?

Answer 1

Answer:

here's ur answer

Explanation:

physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays..

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Answer 2

$\huge\underline\red{\sf Electromagnet :-}$

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★What is an Electromagnet ? ★

→It is the core of magnetic material ( iron) surrounded by a coil of wire through which an electric current passes

or,

→ It is a type of magnet that runs on Electricity. The strength of an electromagnet can be changed by changing the amount of Electric Current that flows through it .

★ Note ★

• The poles of an Electromagnet can also be reversed by reversing the flow of electricity.

★ Some uses of Electromagnet is given below ↓ ★

• It is used in Motors and Generators

• It is used in Transformers

• It is used in Electric Bells

• It is used in Loudspeakers and Headphones

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$\huge\underline\red{\sf ElectromagneticWave :-}$

★ What are Electromagnetic Waves? ★

→ These are the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity .

★ Properties ★

• These waves can travel through Empty Space

• These waves transmit Energy through matter or across space

★ Speed ★

• Electromagnetic Waves travel at the speed of 3.00 x 10^8 m/s

★ There are 7 Electromagnetic Waves ★

• Radio Waves
• Microwaves
• Infrared Waves
• Visible Light
• Ultraviolet Radiation
• X - Rays
• Gamma Rays

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