lecture25_tu4_20

lecture25_tu4_20 - Clicker question A string has...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
A string has fundamental frequency f 1 . What is the spacing (the difference) between two successive higher harmonics? A) That would be f 1 also B) It varies, it depends on n. Clicker question
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Spacing between harmonics: f 1 2f 1 5f 1 6f 1 3f 1 4f 1 f 1 f 1 Applies to: String Open pipe
Background image of page 2
Phys 1240: Sound and Music Help reduce distractions during lecture Stop side conversations Turn off cell phones Put away laptops Put away newspapers or other reading Don’t leave in last 5 minutes of class
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
www.colorado.edu/physics/phys1240 LAST TIME: Wind instrument harmonics. TODAY: Wind instruments, spectra. NEXT TIME: More spectra. READ : 8.3-8.4 • Homework 11 and Reading Question 13 due Thursday. Final HW/RQ assignments: Homework 12 and Reading Question 14 due next Thursday. Phys 1240: Sound and Music
Background image of page 4
Open tubes overpressure L
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Open tubes overpressure N=2, the 2nd harmonic in the tube L
Background image of page 6
Pressure waves “fit” in the open tube n ( /2) = L Since f = v, f n = n (v/2L) Usual harmonics - same modes as a string!
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
When air pressure increases , what happens to the density of the air? (Assume the pressure is the only thing
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 27

lecture25_tu4_20 - Clicker question A string has...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online