In Which Medium the Speed of Sound is More: Humid Air Or Dry Air? Give a Reason to Your Answer. - Physics

Short Note

In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.

Solution 1

Speed of sound is more in humid air because in presence of moisture, the density of air decreases and sound travels with greater speed.

`"V" ∝ 1/sqrt("ρ")`

Solution 2

The speed of sound is more in the humid air as compared to dry air. Because the air moisture decreases the density of air and speed of sound is inversely proportional to the density of air. So, sound travels faster in the humid air.

Concept: Comparison of Sound with Speed of Light

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Chapter 8: Propagation of Sound Waves - Exercise 8 (A) [Page 183]

Q 33 Q 32 Q 34

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Selina Concise Physics Class 9 ICSE

Chapter 8 Propagation of Sound Waves
Exercise 8 (A) | Q 33 | Page 183

Frank Class 9 Physics ICSE

Chapter 7 Sound
Production and Propagation of Sound | Q 9 | Page 278

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In Which Medium the Speed of Sound is More: Humid Air Or Dry Air? Give a Reason to Your Answer. - Physics

Solution 1

Solution 2

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In Which Medium the Speed of Sound is More: Humid Air Or Dry Air? Give a Reason to Your Answer. - Physics

Solution 1Show Solution

Solution 2Show Solution

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Solution 1

Solution 2