Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Unit 2 revision 4

4th set of revision cards - Electromagnetic waves

QuestionAnswer
Which type of electromagnetic wave is used in TV remote controls infrared
Which type of electromagnetic wave is used in fibre optic cables (visible) light
What is the correct term for the number of electromagnetic waves that a source produces every second? frequency
What is the correct sequence of the electromagnetic spectrum starting with radio waves? Radiowaves-Microwaves-infrared-visible light-ultra violet-x-rays-gamma rays
What is frequency measured in? Hertz (Hz)
What do waves transfer from a source to other places without any matter being transferred? energy
At low frequency is the wavelength long or short? long wavelength
At high frequency is the wavelength long or short? short wavelength
The higher the frequency the higher the .... energy
Which type of electromagnetic wave is used in TV and radio? radiowaves
Which type of electromagnetic wave is used in mobile phones, satellite TV and cooking? microwaves
Which type of electromagnetic wave is used in sunbeds? UV
What type of electromagnetic waves are not usually used in the home as they can damage the body but can be used in medicine? X-rays and radiotherapy
Name the type of energy that is transferred by longitudinal waves sound
What is the height of a wave is called? Amplitude
Created by: carolinemorgan
Popular Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards