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


opgaver om bølger

Hvilken formel bruges til udregning af bølgelængden? Lambda = v/f
Hvad står perioden T for? Tidsrummet mellem passage af to bølgetoppe på et bestemt sted.
Hvad står Frekvensen f for? Antal bølgetoppe der passerer et bestemt sted pr. tid.
Hvilken enhed har frekvensen? Frekvensens enhed er Hz.
Hvad er konstruktiv interferens? Når to bølger forstærker hinanden
Hvad er destruktiv interferens? Når to bølger udslukker/svækker hinanden
Hvad er et optisk gitter? En glas eller plastplade med en række parallelle ridser/streger i samme afstand fra hinanden.
Med hvilket bogstav beskrives gitterkonstanten? Gitterkonstanten beskrives med bogstavet d.
Hvad er Nmax Nmax er det maksimale antal afbøjningsordener.
Hvad er lysets hastighed i vakkum? 300.000 km/s
Created by: 1297133630300860