PRACTICAL APPLICATIONS OF EM WAVES

Bundle of energy called?

Are transverse waves that carry energy from one place to another

Longest wavelength in the electromagnetic spectrum

First commercial electrical telegraph in Europe

what is AM meaning?

What is FM meaning?

Is a rate of oscillation

KHZ meaning?

First fixed semaphore system was developed in?

Electrical telegraphy was an electrochemical telegraph created by?

On laboratory scale, radiowave propagation

Own version of the same technology

Who showed mathematically that electromagnetic waves would propagate through free space?

1876, Conventional telephone was invented by

Radio and television

In ,, Scottish inventor, john logie baird his device was know as?

Example of EM RADIATION

Two types of EM RADIATION

Different types of EM RADIATION

In the case of very hot objects

Is EM radiation with a wavelength shorter than that of visible light, but longer than X-rays

He discovered in 1800 the existence of infrared

High frequency radio waves and are used in telecommunication, such as mobile phones

Is also used in electron paramagnetic resonance spectroscopy

Is the portion of EM radiation that is visible to the human eye

Longest wavelength color?

Shortest wavelength color

Overexposure to UV lead to?,,___,,_________

Multiple Concentrated beams of gamma rays or directed at the growth in order to kill the cancerous cells

Are generated by radioactive atoms

With the technique called?

Is closer to the microwave region of EM spectrum

Example of non-ionizing radiation