![]() Sonar is a device that produces high-frequency sound waves under the sea water and when they hit any object and reflect back the time required by the sound waves to return and measure the distance. The thin film vibrates by the sound of the heartbeat, and that vibration is reflected through the tubes to the earpiece making us hear the heartbeat clearly. The stethoscope that doctors use to listen to our heartbeats uses the principle of reflection of sound. High-frequency sound waves are released under the sea and when hit any object and reflect back the time required by the sound waves to return measures the distance.Ī very common example of echo is what happens when we shout our names in a well or in mountains.ĭolphins also use sound waves to navigate their way. Sonar is used to find objects and fishes under the sea. The thin film vibrates by the sound of the heartbeat and that vibration through the tubes to the earpiece makes us hear the heartbeat clearly. The stethoscope uses the principle of reflection of sound. The sound waves also follow laws similar to the laws of reflection of light. Just the reflecting surfaces are hard and solid in case of sound.įor the proper reflection of sound, the surface needs to be large and can be either rough or polished. The light gets reflected on shiny surfaces, and the reflection of sound is very similar to it. Sound waves are vibrations produced by various objects and animals. The sound gets absorbed in those surfaces, and hence echoes don’t form. The sounds may not always get reflected when the sound hits a soft surface like a cloth, cushion, or rubber. But interestingly, the echo is exactly the same as the original sound.Įchoes are heard in enclosed spaces with hard and tough walls such as wells, caves, or large auditoriums. The direction of the sound changes after it bounces off a surface. It can be due to beating an instrument or an object or from the voicebox of animals. Send us feedback about these examples.Sound is produced due to vibrations from an object. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'echo.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Wesley Hunt, R-Houston, echoed Burgess’ call to action. 2023 Republicans line up behind Trump Freshman Rep. ![]() senators and is scheduled to speak with McCarthy this week as well, echoing former House Speaker Nancy Pelosi's visit to Taiwan last year. Bianca Betancourt, Harper's BAZAAR, 6 Apr. ![]() 2023 The track's accompanying video (featuring the song's collaborator and fellow Floridian Kodak Black) evokes another sense of nostalgia as well, echoing Beyoncé and Jay Z's early aughts collaboration '03 Bonnie and Clyde'. 2023 The piece begins with three men standing and three lying supine behind them, like shadows, echoing their every movement. 2023 The next step, in this scenario, might be an executive order from Biden echoing what Trump issued in 2020. John Shea, San Francisco Chronicle, 11 Apr. 2023 Sometimes the only sound echoing through the massive concrete structure came from a few drummers in the stands. 2023 Ward, barefoot and dressed in white, tends to a sort of altar between lush, trembling eruptions of movement reminiscent of baptismal ritual, the pulsations of her body echoing those of Lanza’s feet. Verb Hadid reposted Grande's TikTok to her Instagram and echoed her comments. 2023 Bassett’s refusal to mask her dismay at once again losing the Oscar for her crucial part in Wakanda Forever will reverberate online until the complications of the situation are lost in the echo. 2022 This could turn out to be an echo of Ben Bernanke’s 2007 assurance that the subprime-mortgage woes wouldn’t seriously hurt the economy. 2023 In an echo of the 1992 magnitude 7.2 quake that injured hundreds, the volunteer Rio Dell Fire Department was initially delayed in responding to some 60 calls that included two fires because the garage doors were off the hinges and had to be pried open, Chief Shane Wilson said. 2023 Harari concludes, in an echo of the US Declaration of Independence, that when the government breaks its commitment to respect the basic liberties of its citizens, citizens have a right to resist. 2023 Known as a bow echo, these storm bands can develop from a cluster of thunderstorms or just a single storm, according to the weather service. 2023 High-rises erupted with a thundering echo, drowned out by the hum of metro buses and the business as usual. Noun At the same time, Hoffman does appreciate the power of a hushed echo.
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