When we hear people talking in the same room without seeing them, it is due to diffraction. Sound waves bend around obstacles and spread out after passing through openings, allowing us to hear voices even when the source is not ...
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Silent zones where ships do not hear lighthouse sirens are created due to interference. When sound waves from the siren meet at points where they are out of phase, destructive interference occurs, canceling the sound waves and resulting in areas ...
When two loudspeakers are played simultaneously and a listener at a particular place cannot hear the sound, the reason is interference. Specifically, destructive interference occurs when sound waves from the speakers meet out of phase, canceling each other out and ...
Tuning a radio station is an example of resonance. By turning the knob, the radio’s circuit is adjusted to resonate at the specific frequency of the desired station. This resonance amplifies the signal from that station, allowing clear reception of ...
The special sound heard as a jug fills with water is due to resonance. As water fills the jug, the air column’s length inside changes, altering its natural frequency. When the air column’s frequency matches the filling water’s sound waves, ...