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.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




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

PP Q&A

quesions and answers from powerpoint notes

QuestionAnswer
___________ is the bouncing back of a particle or wave that strikes a boundary between two media. relflection
Usually waves are partly relflected and partly refracted when they fall on a ___________ medium. transparent
Some waves are _____________ relflected. partially
Metal surfaces are _________ to light waves. rigid
Light energy does not ______________ into the metal, but instead is returned in a reflected wave. propagate
Materials such as __________ and _________ are not as rigid to light waves. glass, water
A light wave that strikes a boundary is called a(n)_________ wave. incident
An incident wave's path is drawn as a straight line arrow and is called a(n) ____________ ray. incident
A light wave that bounces off a boundary is called a(n) ________ wave. reflected
A reflected wave's path is drawn as a(n) _________ ray. reflected
A line drawn ________________ to the point where the incident ray strikes the barrier is called a _____________. perpendicular, normal
A normal is drawn as a ____________ line. dashed
Diffuse reflection is the reflection of light from a _________ surface. rough
The many different __________ that incident light rays encounter at the surface cause reflection in many different ____________. angles, directions
Whether a surface is a ___________ relflector or a ___________ reflector depends on the wavelength of the wave if reflects. diffuse, polished
Created by: 4minutesofpapaya