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.
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
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

ch. 26

physics ch. 26 vocab

QuestionAnswer
pitch term that refers to how high or low sound frequencies appear to be. high pitch = high frequency
infransonic term applied to sound to pitch too low to be heard by the human ear that is below 20 hertz.
ultrasonic term applied to sound frequencies above 20,000 , hertz the normal upper limit of a human hearing
compression in sound , a pluse of compressed air ,opposite of rarefaction.
rarefaction a disturbance in air, when the pressure is lowered opposite of compression.
natural frequency frequency at which an elastic object, will vibrate. minimum energy required to continue vibration.
forced vibratation vibration of an object that is made to vibrate another vibrating object. sounding board.
resonance a phenomenon that occurs when frequencies of forecd vibrations matches objects natral frequency, increase in amplitude results.
beats when two tones of different frequencies are sounded together.
Created by: hkramer