Radio Waves

There are no materials that interfere with radio wave transmission.

• True

• False

Tags

NGSS.MS-PS4-2

Which waves can reach great distances (Waves go into atmosphere and reflect back to Earth so that can move around the curvature of Earth)?

• FM

• AM

• Radio 

• Microwaves 

True or False : A radio wave is electromagnetic?

• True

• False

Tags

NGSS.MS-PS4-2

Radio waves vary in frequency from:

• 1050 to 10,120 Hz.

• 10,500 to 101,200 Hz.

• 105 to 1012 Hz.

• None of the above

True or False : Radio waves stay on an object if they aren’t not absorbed .

• True

• False

Tags

NGSS.MS-PS4-2

Where are the radio waves located on the spectrum ?

• To the right side of the spectrum; towards the end

• To the left side of the spectrum; towards the beginning

True or false: Radio waves have the least energy of all electromagnetic waves.

• True

• False

Tags

NGSS.HS-PS4-4

In TV broadcasts...

• pictures are encoded with frequency modulation.

• sounds are encoded withy amplitude modulation

• radio waves carry both sound and picture signals.

• All of the above

Tags

NGSS.MS-PS4-3

Which of the following forms of electromagnetic waves is used mostly in communication?

• Gamma Rays

• Infrared

• Radio wave

• X-ray

Tags

NGSS.MS-PS4-3

What type of electromagnetic wave is produced by making electrons vibrate in an antenna?

• Infrared

• Microwave

• Radio wave

• X-ray

Tags

NGSS.HS-PS4-5