Standing Waves w/ 2 Free Ends: Exploring the Mystery

In summary, the conversation discusses how standing waves are formed in open organ pipes with both ends open, and how a reflection wave can combine with a coming wave to form a standing wave in a pipe with two free ends. It is also mentioned that this process can be observed in whistling through an open pipe. The reason behind this phenomenon is explained as a result of the air molecules being displaced and compressed, creating a low pressure region that can be filled by neighboring air, leading to a reflected wave and ultimately a standing wave.
  • #1
huyhohoang
12
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Hi everyone!
As we all know standing wave of 2 fixed ends formed by the combination of coming wave and reflection wave. But I wonder why there still have a reflection wave combinating with coming wave to form standing wave of 2 free ends?
Many thanks.
 
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  • #2
huyhohoang said:
As we all know standing wave of 2 fixed ends formed by the combination of coming wave and reflection wave. But I wonder why there still have a reflection wave combinating with coming wave to form standing wave of 2 free ends?
Many thanks.

the standing waves are formed in open end organ pipes -open at both ends -in whistling through an open pipe one must have felt a difference in intensity of the sound produced.
when sound waves(composed of region of compression) travel and reach the open end
it must be pushing in the air outside like a sudden 'push of energy/and displacement of the air molecules'
and for a very short time interval a 'low pressure region may have formed at the open end and
neighboring air will push to fill up this void-
and in this process a compression can be formed at the end which can travel back as reflected wave and can give rise to standing wave..
 
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Likes huyhohoang
  • #3
Thanks for your answer.
 

1. What is a standing wave with 2 free ends?

A standing wave with 2 free ends is a type of wave that is created when two identical waves travel in opposite directions and interfere with each other. It appears to be standing still, hence the name "standing wave". The free ends refer to the points where the wave is fixed or attached.

2. How is a standing wave with 2 free ends different from other types of waves?

Unlike other types of waves, standing waves do not travel through a medium. Instead, they are created and maintained by the interference of two waves traveling in opposite directions. Additionally, standing waves have nodes (points of no displacement) and antinodes (points of maximum displacement), whereas other waves do not.

3. What is the significance of exploring the mystery of standing waves with 2 free ends?

Studying standing waves with 2 free ends can help us better understand the behavior of waves and the principles of wave interference. It also has practical applications in fields such as acoustics, optics, and electronics.

4. How are standing waves with 2 free ends used in real-world scenarios?

Standing waves with 2 free ends are used in various real-world scenarios, such as in musical instruments to produce specific tones and frequencies. They are also used in telecommunications to transmit and receive signals, and in medical imaging techniques like ultrasound.

5. Can standing waves with 2 free ends be manipulated or controlled?

Yes, standing waves with 2 free ends can be manipulated or controlled by adjusting the frequency, amplitude, or wavelength of the two waves interfering with each other. This allows for the creation of specific patterns and frequencies, which can have practical applications in various fields.

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