Why do we need to compile "chimes"?

"Chime" is one of China's ancient musical instruments, a set of bells **** there are more than 10, the size of the sequential arrangement, so it is called "chime".

Why should a set of bells have different sizes of bells? This is precisely to make them emit different pitches of sound. We know that the object vibrates more times per unit of time that is, the higher the frequency, the more pointed the sound, or the higher the pitch. The frequency, in turn, is determined by the mass, geometry and size of the object.

Large bells have a low frequency and pronounce loud and low; small bells have a high frequency and pronounce clear and high-pitched. Each bell represents a tone, which makes for a beautiful tune.

We can make our own set of "water cup chimes" according to this reasoning. Get a set of quality and size of the same glass, in the cups of different shades of water, according to the number of water arranged in order, a set of "water cups chimes" is made. Just take a chopstick and you can play your favorite tune as you wish.

All musical instruments have different pitches because they vibrate at different frequencies. If you've ever strummed a musical instrument, you know that thin strings sound higher than thick ones, tight strings sound higher than loose ones, and the shorter the strings, the faster the vibration frequency and the higher the sound. Many musical instruments, such as the erhu, harp, violin is the use of a variety of different strings to change a variety of sounds.