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23 Cards in this Set
- Front
- Back
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The location of the water level CAN BE ALTERED in a resonance tube to create resonance |
TRUE |
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INCREASE in the length of a vibrational system decreases the frequency and increases the wavelength |
False |
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The waves in the air column of an organ pipe demonstrates sound amplification in fixed end standing wave. |
True |
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Resonance frequencies with wave functions are called: |
Mode of Vibration |
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Resonance occurs when the first object is vibrating at the harmonic frequency of the second object |
False |
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A loud sound produced is an evidence of resonance |
True |
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Background frequencies are canceled out inside a seashell |
False |
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The free end in a "string fixed at one end" set up is an antinode |
True |
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The first overtone is denoted by F2 |
True |
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Standing wave is produced if the frequency of the tuning fork is the same as the frequency of the vibrating string |
True |
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What happens when one object forces a second object into vibrational motion? |
Resonance is produced |
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Why are sound waves not audible in a quiet room? |
Low intensity |
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Why are sound waves not audible in a quiet room? |
Vibration of air column in the metal tube |
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How is air column controlled in woodwind instruments? |
By opening and closing holes within metal tube |
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If a straw is shortened, what can be said of its pitch? |
High pitch |
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The third lowest frequency is _____ times the fundamental frequency |
3 |
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What relates resonance frequencies, length of string and wave speed? |
Standing wave condition |
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How is the second harmonic called in music? |
First overtone |
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Resonance frequencies in pipes depend on |
Length of pipe and open or closed to P |
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What type of pipe has the constant pressure on the ends of the pipe? |
Organ pipe |
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What are the integer numbers in a standing wave equation on a "string fixed on one end" |
Odd numbers |
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In what type of pipe would a stream of air is directed against the sharp edge of an opening |
Flue type organ pipe |
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v/4Lv is known as |
Fundamental frequency |
