Why does Helium make your Voice go Funny?
Answers
Explanation:
Due to its lower density, sound travels over twice as fast through helium than it does regular air. When you breathe in helium, your voice travels much more quickly across your vocal cords. This results in the funny sounds you make when you talk after breathing helium.
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Answer:
Explanation:
Inhaling helium changes the type of gas molecules in your vocal tract and increases the speed of the sound of your voice. Some people may think that helium changes the pitch of your voice but with changing the gas molecules the frequency doesn't change rather the speed of the sound.
The speed of sound in helium is different from the speed of sound in air.
The speed of sound in helium at 0°C is about 972 m/s, compared to 331 m/s in air. This is consistent with the general relationship for sound speed in gases since the density of helium is so much less than that of air.
Contrast this with gases such as Xe and SF6 that are more dense than air; when SF6 is inhaled, the pitch of a person's voice decreases dramatically because the speed of sound in SF6 is considerably less than it is in air
. Sound travels through air at about 340 m/s but through SF6 at only about 120 m/s. This is the opposite of what is heard when a person inhales helium (about 972 m/s).