Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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

Triple Physics

Radiation in Medicine

How is visible light used for diagnosis Endoscopes
How are X-Rays used for diagnosis X-ray photography & CAT scanners
How are gamma rays used for diagnosis PET scanners
How is Ultra-sound used for diagnosis Ultra-sound scanners
Why are some types radiation ionising? They create reactive ions in the body which can be dangerous
Which of radiation can be used to damage and destroy cancer cells? Gamma-Rays & X-rays
How can types of non-ionising radiation be used in treatments? Lasers can be used in eye surgery and absorption of ultra-sounds can be used to treat swollen tissues ( Visible Light & Ultra-sound)
What happens to the intensity of radiation as it moves further away from the source? It decreases
What other factor is intensity affected by? The medium that the radiation is travelling through
How do you calculate intensity? Intensity = Power of incident radiation/area
What is the unit of intensity? Watts per square metre(W/m^2)
Created by: JuliaNorton
Popular Physics sets




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:
restart all cards