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The answer is "it's own resonant frequency".. this frequency is dependent on how the glass is made.
You can hear this frequency when you rim the glass with a wet finger or smack it with a pen.
If you want to break it, place the glass next to a nice speaker, generate a sine-wave tone matching the resonant frequency, and turn it up to 11.
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∙ 13y ago
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How high does your voice have to be to break glass?
you have to have a very high voice to break a glass and this is what you have to do to break a glass you can break a glass because a glass is very resonant and frequency. and you also can break a glass by holding your high voice for two or three seconds and then the glass breaks. no its impossible for just your plain high voice you have to have a high microphone (with speakers) to break a light wine glass.
What needs to happen for a human voice to break a wine glass?
you need to sing at the right frequency and sing loud enough to resist the vibrations. when the sound gets to loud for the glass to vibrate it shatters.
How can we break glass using sound?
when the natural frequency of glass matches with the frequency of sound than glass can be shettered as it is due to the phenomenon of resonance
How do you break glass with music?
If a sound can reach the frequency the glass atoms vibrate at, it can be broken
How does singing break glass?
Singing causes air to vibrate. if the vibration is at the resonant frequency of the glass crystal structure, the structure absorbs the singing Energy. If the singing is intensity is high enough and at the resonance frequency, the crsytal bounds will break and break the glass.
How high do you have to be to break glass?
You don't necessarily have to go so high to break a glass, rather it is hitting the exact same frequency of vibration that the glass has. So you would tap the glass to determine the frequency (you need someone with perfect pitch or an analyzer), and then you just have to hit that same note at the right intensity to break the glass.
How could you find the sound frequency to break a glass?
High frequency sound waves can shatter glass if powerful enough. This happens because the glass vibrates at the same frequency as the sound waves on the outer surface of the glass, but at lower frequencies inside the glass. This causes interference in the waveforms moving through the glass, which stress the glass, causing it to break. This is a different effect than when a single sharp sound, such as an explosion, pushes the glass beyond its breaking point.
Does the size of the wine glass affect how much sound is needed to break it?
Yes.
Do most objects have a natural frequency of vibration?
Absolutely not! Glass, for example (every wine glass has a different natural frequency), can be broken by a frequency that matches its own but nearby objects aren't affected by the same frequency.
How Do Glass Break By Singing?
Glass doesn't crack on a high note, every rounded piece of glass has it's own high frequency and when played back to itself makes the glass shatter. You can get the sound by getting a pint glass and wetting your finger, pushing down and making a smooth fast motion around the rim.
Why would music cause glass windows to break in an enclosed room?
depending on the volume the vibrations caused by sound waves will constently be hitting the glass an extreamly high volume would create waves powerfull enough to brake the glass. Everything object has a frequency(resonant frequency), if this frequency is matched and amplifide the vibration can become greater then the object can handle and breaks. On Mythbusters the did this with a wine clas and the got a steel bridge to vibrate trough out its length. but any how it has to do with vibration
Why does a glass break when a certain sound wave hits it?
The sound wave must match the glass's natural resonating frequency, which means the frequency that it vibrates naturally at, when the glass picks this up, it vibrates with it due to resonance. The glass can vibrate so violently that it shatters.
