Radio Waves

True or False : A radio wave is electromagnetic?

• True

• False

Tags

NGSS.MS-PS2-3

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

Which of the following are radio waves NOT used for ?

• Wifi

• Telephone

• Television

• Blenders

Which of these TWO are radioactive waves made of ? (select both options)

• Electric

• Ultra- Violet

• Magnetic

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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

• True

• False

Tags

NGSS.MS-PS4-1

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

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

How many waves are there in the electromagnetic spectrum

• 4

• 7

• 20

• 5

True of False: Some radio waves are visible to the human eye.

• True

• False