Human ears can only hear (i.e., detect vibrations) in a range of about 20-20,000 vibrations per second. A pendulum will usually vibrate at much less than 20 vibrations per second. But please note that a vibrating object (such as a plucked string) may also produce secondary vibrations, other than the main frequency.On the other hand, a vibration must also be strong enough, in order to be heard.
The frequency of vibrating pendulum lies below the audible range (20 Hz to 20,000 Hz)
player's lips.
The vibrating paper cone does.
An object vibrating relatively slowly produces sound waves that have low frequency and long wavelength.
The lowest frequencies we can hear are about 20 Hz - 20 vibrations per second. If (for example) the pendulum moves back and forth once per second, it will produce sound at that frequency, which we are unable to hear. Also, the sound will be of a fairly low intensity.
Vibrating produces sound.
A vibrating simple pendulum does not produce any sound because it oscillates at very low frequencies.
The frequency of vibrating pendulum lies below the audible range (20 Hz to 20,000 Hz)
the reed.
A Chordophone
player's lips.
The vibrating paper cone does.
TRUE
its the stretched membrane like the tabla
Imagine a vibrating pendulum moving back and forth. Amplitude in sound is the size of the air particles vibration during the sound.
An object vibrating relatively slowly produces sound waves that have low frequency and long wavelength.
The lowest frequencies we can hear are about 20 Hz - 20 vibrations per second. If (for example) the pendulum moves back and forth once per second, it will produce sound at that frequency, which we are unable to hear. Also, the sound will be of a fairly low intensity.