Oscillations and Waves Section 4

depends on the material's -e,( &0 L

1 c , -l'1 S. 3 Doppler Effect ■

■ To calculate the velocity of sound in an open pipe

■ v= 21..-.f- S. 4 Strings

S. 4 Beats ■ p.., 1 / · oJ Łl

V°' IM"-lio"f. in the loudness of two sounds of slightly different frequencies

Beat

periodic vibrations in the loudness of two sounds of slightly different frequencies

Nodes

ends of strings

Length of the string represents

1/2 the wavelength

Standing wave has...

notes and anti-nodes

two types of resonators

closed and open