lecture20 101104 - Tube Closed at One End Resonance in an...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Tube Closed at One End Resonance in an Air Column Closed at One End s The closed end must be a node s The open end is an antinode s There are no even multiples of the fundamental harmonic 1 ƒ 1, 3, 5, 4 n v f n n n L = = = K Speed of Sound in Air s 331 m/s is the speed of sound at 0° C s T is the absolute temperature 331 273 m T v s K = Quick Quiz #000 In the speed of sound lab, what was in resonance? A. Water and air B. Sound waves going in 1 direction C. Tuning fork and air in room D. Tuning fork and air in column Quick Quiz #00 In the speed of light lab, what was the actual wavelength of the microwaves? Note: f = 2450 MHz A. 12 cm B. 6 cm C. 7 cm D. 9 cm E. 8 cm Quick Quiz #0 In the speed of light lab, the distance between melted marshmellows was equal to: A. λ of the EM wave B. λ/2 of the EM wave C. 3λ/4 of the EM wave D. λ/4 of the EM wave
Background image of page 1

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

View Full DocumentRight Arrow Icon
Exam Quiz #1 The energy of a photon with wavelength = 300 nm is: a.1.6 x 10 -19 Joules b.6.6 x 10 -19 Joules c.1.6 x 10 -34 Joules d.6.6 x 10 -34 Joules Exam Quiz #2 In the photo-electric effect: A.Light of any wavelength may produce an electron if the light beam is intense enough B. The wavelength of the light must be short enough to over come the metal’s work function to produce an electron C.The wavelength of the light must be long enough to over come the metal’s work function to produce an electron Exam Quiz #3 A. H. Compton’s middle name is: A.Homer B. Harold
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

lecture20 101104 - Tube Closed at One End Resonance in an...

This preview shows document pages 1 - 3. Sign up to view the full document.

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