Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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.
Don't know
remaining cards
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:
restart all cards
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 - Chapter 27

What is the name of the Dutch scientist who argued that light was a wave? Huygens
A(n) ____ is a mass-less bundle of electromagnetic energy. photon
What is the name of the scientist who published a theory explaining that light consists of particles. Einstein
Its value is about 300 000 km/s. What is it? speed of light
A(n) _____ is the distance light travels in a year. light-year
The ____ is the range of electromagnetic waves. electromagnetic spectrum
____ waves are electromagnetic waves that have frequencies lower than the red of visible light. infrared
____ waves are electromagnetic waves that have frequencies higher than the violet of visible light. ultraviolet
Any substance that allows light to pass through it is called___ transparent
A material that absorbs light without reemitting it is called___> opaque
Which type of wave is light? transverse
___ is the aligning of vibrations in a transverse wave, usually by filtering out waves in other directions. polarization
Created by: abolvin