Sound waves cannot travel through a

Sound waves are longitudinal mechanical waves that propagate through the compression and rarefaction of a medium [4]. Unlike electromagnetic waves like light, sound waves require a material medium—whether solid, liquid, or gas—to travel because they depend on the interaction and vibration of particles [3]. In the given options, copper (solid), air (gas), silver (solid), water (liquid), and glass (solid) all provide the necessary particles for sound transmission [1]. However, a vacuum is a space devoid of matter. Since there are no particles to vibrate or transmit pressure fluctuations, sound waves cannot propagate through it. Therefore, a wooden hollow pipe placed in a vacuum cannot transmit sound, as the surrounding vacuum lacks the medium required for the mechanical wave to travel from the source to a receiver.

Sources

1. [2] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 5: Earths Magnetic Field (Geomagnetic Field) > Why Do Sound Waves Travel Faster In A Denser Medium Whereas Light Travels Slower? > p. 64
2. [4] https://www.khanacademy.org/science/ms-physics/x1baed5db7c1bb50b:waves/x1baed5db7c1bb50b:sound-waves/v/sound-waves
3. [1] Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 4: Earths Interior > Primary Waves (P-Waves) > p. 60