Exams › NEET › Chemistry

When we inhale helium gas funny sound appear which is due to:

1. high density of helium than air
2. low density of air than helium
3. low density of helium than air
4. reaction between air and helium

Correct answer: low density of helium than air

Solution

Helium is much less dense than air, so sound travels faster through it and the resonant frequencies of the vocal tract increase. That shifts the voice to a higher pitch, creating the funny sound.

Related NEET Chemistry questions

• Avogadro's law shows the relationship between which two variables?
• Among the following organic acids, the acid present in rancid butter is:
• A ketone has molar mass \( 86 . \) Which of the following cannot be IUPAC name of this ketone?
• An ideal gas is compressed in a closed container its U?
• Which of the following will change the value of the equilibrium constant for the reaction? \( N_{2}(g)+O_{2}(g) \leftrightharpoons 2 N O(g) \)
• Electronic configuration \( [\boldsymbol{K} \boldsymbol{r}] \boldsymbol{4} \boldsymbol{d}^{10} \) belongs to:

⚔️ Practice NEET Chemistry free + battle 1v1 →