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FizixFreak
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hi there i just wanted to know that how are waves reflected in an open air column and what do we mean about odd harmonics? thank you
FizixFreak said:hi there i just wanted to know that how are waves reflected in an open air column
FizixFreak said:i know that but why only odd harmonics are produced in an closed end column?
jtbell said:Odd harmonics are odd-integer multiples of the fundamental frequency: [itex]f_0[/itex], [itex]3f_0[/itex], [itex]5f_0[/itex], [itex]7f_0[/itex],etc.
FizixFreak said:i know that but why only odd harmonics are produced in an closed end column?
Stationary waves, also known as standing waves, are a type of wave pattern that forms when two waves with the same frequency and amplitude travel in opposite directions and interfere with each other. This results in points along the wave that appear to be stationary, or not moving.
Stationary waves form through reflection when a wave is reflected back onto itself, creating interference. This occurs when a wave encounters a boundary or obstacle, such as a wall or a fixed end, and reflects back with the same frequency and amplitude.
Odd harmonics are a type of frequency that is present in stationary waves. They are created when the wavelength of the stationary wave is an odd multiple of the fundamental frequency. This results in nodes and antinodes that alternate in amplitude along the wave.
The main difference between stationary waves and traveling waves is that stationary waves do not appear to move, while traveling waves propagate through space. Stationary waves also have nodes and antinodes, while traveling waves do not. Additionally, traveling waves transport energy, while stationary waves do not.
Stationary waves have many practical applications, such as in musical instruments, where the standing waves produced by the vibrating strings or air columns create different pitches. They are also used in medical ultrasound imaging, where stationary waves are produced by sound waves bouncing off different tissues in the body. Additionally, stationary waves are used in microwave ovens to evenly heat food, and in seismic exploration to map underground structures.