Lectures

Standing Waves

by Jared Rovny
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    About the Lecture

    The lecture Standing Waves by Jared Rovny is from the course Sound.


    Included Quiz Questions

    1. The pressure at that point
    2. The energy at that point
    3. The frequency at that point
    4. The period at that point
    5. The number of beats at that point
    1. Air cannot move past the wall and equilibrate the pressure
    2. The wall pushes air molecules to the highest possible pressure
    3. Air molecules bounce against the wall and recoil with more force
    4. The wall produces a beat frequency with higher pressure
    5. The closed end is in opposition to the open end, where the pressure is produced
    1. The boundary conditions at the ends of the pipe cannot be matched by sound waves that have too long a wavelength
    2. The pipe cannot vibrate at the lowest frequencies available, because of its limited size
    3. Low frequencies have very low wavelengths, which are too short to meet the end conditions of the pipe
    4. Wavelengths which are too low will be unable to extremize the pressure at the closed or open ends of a pipe
    5. Sound waves move too quickly to allow low frequencies to stay in a pipe of finite length
    1. n = 1, 2, 3, …
    2. n = 1L, 2L, 3L, …
    3. n = 1λ, 2λ, 3λ, …
    4. n = 1/L, 2/L, 3/L, …
    5. n = 1/λ, 2/λ, 3/λ, …
    1. Using v = λf
    2. Using v = λ/f
    3. Using v = 1/f
    4. Using v = 2λf
    5. Using v = nλf

    Author of lecture Standing Waves

     Jared Rovny

    Jared Rovny


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