P13-EM Waves

Question 1

What EM wave has the lowest wavelength

Answer 1

Gamma Rays

Question 2

What EM wave has the highest wavelength

Answer 2

Radio waves

Question 3

What is the order of EM waves from highest wavelength to lowest

Answer 3

Radio,Microwaves,Infared,Visible,Ultraviolet,X-Rays,Gamma rays

Question 4

Are all EM waves transverse or longitudinal

Answer 4

Transverse

Question 5

How do you create radio waves

Answer 5

Use a transmitter attatched to an oscilloscope to allow you to see the frequency of the alternating current..Next to the transmitter place a recieved to absorb the energy and create another alternating current on another oscilliscope.

Question 6

What is the main use of radio waves

Answer 6

Communication

Question 7

What are the main uses of microwaves

Answer 7

Communication and cooking

Question 8

Why is visible light used in communication

Answer 8

It’s used in optical fibers as it reflects off the walls of the thin glass/plastic