Question

what does not change when sound enters from one medium another medium​

Answer 1

Answer:

When sound travels from one medium to another,both it's velocity and wavelength undergo changes.................

The frequency of sound depends upon the sound of sound,not the medium of propagation. Hence,it does not change...............

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Answer 2

Answer:

Velocity and wavelength are the two variables that alter when a sound wave travels through one medium and into another. The frequency does not change.

Explanation:

• An object that vibrates creates a mechanical wave called sound. The entity vibrations move items around in the medium around them, transmitting energy through the medium. For a sound wave to travel through the air, the particles must vibrate longitudinally.
• Longitudinal waves are those in which the energy transfer and the acceleration of each particle in the medium are parallel. A longitudinal wave is created in a slinky position by spreading the slinky horizontally and vibrating the initial slinky bands horizontally.
• Sound travels in the form of longitudinal waves. The speed and longitude of the sound can alter as it travels from medium to medium. The formula v=f, where f is the sound frequency and is the medium's wavelength, determines the sound velocity in a given situation.
• Wavelength and sound speed are directly proportional. Therefore, whether sound travels through one medium or another, if its velocity doubles, so do its wavelength. The sound source determines the frequency, not the propagation medium. Therefore, it is not changing.

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