Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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
share
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

physics

unit1 waves and radiation

QuestionAnswer
what is the multiplier for milli x10¬3
what do all waves transfer energy
whats faster light or sound light
what is frequency frequency is the number of complete waves in 1 second
what are the 2 types of waves longitudinal and transverse
name a transverse wave water ,radio ,x rays
name a detector for radiation Geiger muller tube
what is the speed of the electro magnetic spectrum 3x108
what has the longest wavelength- radio infared gamma radio
what is activity activity is the number of nuclie which decay in 1 secound
what is the unit of activity Bq
what is absorbed dose absorbed dose is the amount of radiation absorbed per 1kg of a material
what is the unit of absorbed dose Gy
name 3 precautions taken when handling radiation maintain a safe distance use tongs limit time exposed
name one use of radiation in medicine radiotherapy
what is equivalent dose equivalent dose is the risk of biological harm in the tissue
what is the unit of equivalent dose sv
what is half life half life is the time taken for radio active source to half
what is the unit of half life Bq
what is fission fission is when a nucleus of an atom is split into 2 nuclei's
what is fusion fusion is a chain reaction is when 2 nuclei's join together
what is refraction refraction is when a wave or light ray moves from one medium to another changing speed and direction
what's more dense air or glass glass
what are the colours in the visible spectrum red orange yellow green blue indigo violet
name a detector for microwaves' areal
name a detector for ultraviolet florescent paint
name a detector for infrared blackened thermometer
Created by: aliakbar1
 

 



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