Unit 7 DQ: Sound Resonance (Graded) 3 3 For this Discussion Question, you will prepare a setup using your phone, a ruler, and a drinking glass to make some observation. Please pick a glass that is as narrow as you can find. You will need to download the app, Function Generator by Keuwlsoft. Please proceed with the setup as shown in the image below - also described here: In EDIT, you will turn on CH 1 only; in WAVEFORM, toggle on the Sine Waveform and the FREQ (frequency) button; in OUTPUT, bring the CH 1 slider all the way up and the CH 2 down, and then toggle the LEFT button on. You will use the long horizontal slider to preset your frequency to 1.5000 kHz. Keuwlsoft Dual Channel Function Generator EDIT CHI Channel I FREQ=1.5000MHZ MOCU ATION FM AN AMPL-50.000 BIAS 0.000% SWEEP FREQ AMFI BURST SINGLE REPEAT NOISE WHITE PINK Wavet arm Frequency (1mHz-2216-7 CH 2 1.5000kHz Channel 2 FREQ=9.9238-2 AMPL-50.000 EVAS-0000% SWEEP FREQ AMFL MODULATION FM AM BURST SINGLE REFEAT NCISE WHE PINK Enter Value WAVEFORM SWEEP BURST 22 FREQ AMPL FREQ START TIME SINGLE COUNT PHASE BIAS DUTY AMPL STOP MODE REPEAT FREQ NOISE MODULATION MEMORY WHITE PINK FM FREQ SLOT CHI OUTPUT LEFT RIGHT AMPL AM AMPL SAVE VOL OUT CH 2 Now, take you drinking glass and lay it on a table. What do you expect from sound heard when you match the resonance frequency of the drinking glass? Would you expect a change in the amplitude, frequency, or wavelength? Now, go to the OUTPUT section and toggle the OUT button on. This should produce a sound at your selected frequency. Then, place the microphone of your phone in front of the opening of the drinking glass. You will now slide the horizontal slider to the left to decrease the frequency until you reach a point of resonance frequency. What is the resonance frequency measured? Use the ruler to measure the length of the drinking glass. Your initial post is due no later than 11:59 p.m. EST (Eastern Standard Time) on the second day of the unit. Your initial post should be around 100-125 words in length and should thoughtfully integrate concepts covered in your assigned readings. You are required to respond to at least three of your classmates' posts by 11:59 p.m. EST on the last day of the unit. Responses should be substantive, further the dialogue, and not just be a simple "yes/no", "I agree/disagree", or "nice job". The ideal length of your response should be around 100-125 words.
Unit 7 DQ: Sound Resonance (Graded) 3 3 For this Discussion Question, you will prepare a setup using your phone, a ruler, and a drinking glass to make some observation. Please pick a glass that is as narrow as you can find. You will need to download the app, Function Generator by Keuwlsoft. Please proceed with the setup as shown in the image below - also described here: In EDIT, you will turn on CH 1 only; in WAVEFORM, toggle on the Sine Waveform and the FREQ (frequency) button; in OUTPUT, bring the CH 1 slider all the way up and the CH 2 down, and then toggle the LEFT button on. You will use the long horizontal slider to preset your frequency to 1.5000 kHz. Keuwlsoft Dual Channel Function Generator EDIT CHI Channel I FREQ=1.5000MHZ MOCU ATION FM AN AMPL-50.000 BIAS 0.000% SWEEP FREQ AMFI BURST SINGLE REPEAT NOISE WHITE PINK Wavet arm Frequency (1mHz-2216-7 CH 2 1.5000kHz Channel 2 FREQ=9.9238-2 AMPL-50.000 EVAS-0000% SWEEP FREQ AMFL MODULATION FM AM BURST SINGLE REFEAT NCISE WHE PINK Enter Value WAVEFORM SWEEP BURST 22 FREQ AMPL FREQ START TIME SINGLE COUNT PHASE BIAS DUTY AMPL STOP MODE REPEAT FREQ NOISE MODULATION MEMORY WHITE PINK FM FREQ SLOT CHI OUTPUT LEFT RIGHT AMPL AM AMPL SAVE VOL OUT CH 2 Now, take you drinking glass and lay it on a table. What do you expect from sound heard when you match the resonance frequency of the drinking glass? Would you expect a change in the amplitude, frequency, or wavelength? Now, go to the OUTPUT section and toggle the OUT button on. This should produce a sound at your selected frequency. Then, place the microphone of your phone in front of the opening of the drinking glass. You will now slide the horizontal slider to the left to decrease the frequency until you reach a point of resonance frequency. What is the resonance frequency measured? Use the ruler to measure the length of the drinking glass. Your initial post is due no later than 11:59 p.m. EST (Eastern Standard Time) on the second day of the unit. Your initial post should be around 100-125 words in length and should thoughtfully integrate concepts covered in your assigned readings. You are required to respond to at least three of your classmates' posts by 11:59 p.m. EST on the last day of the unit. Responses should be substantive, further the dialogue, and not just be a simple "yes/no", "I agree/disagree", or "nice job". The ideal length of your response should be around 100-125 words.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter16: Waves
Section: Chapter Questions
Problem 27CQ: Many of the topics discussed in this chapter are useful beyond the topics of mechanical waves. It is...
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What do you expect from sound heard when you match the resonance frequency of the drinking glass? Would you expect a change in the amplitude, frequency, or wavelength?
What is the resonance frequency measured? Use the ruler to measure the length of the drinking glass.
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