Phones make sounds, and sounds can go through walls. When your phone rings, it makes a loud noise that travels through the air like a wave. These waves move easily through walls because they're not very thick or heavy, so you can hear your phone even from another room. It's just like hearing music coming from the next room when the door is closed.
Examples
- Sound waves go like this: phone → air → wall → your ears.
- It's easy to hear a phone ring from the kitchen even if it is in the living room.
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See also
- How Can You Hear Your Voice on Phone Calls?
- Why Can’t You Always Hear Your Phone Ringing?
- Why Can’t You Hear Sound in Space?
- What is sound waves going into the air?
- How Does Consonance and Dissonance Work?