The absence of sound is called silence.Quiet or quietness is also the absence of sound.
reflected sound is either reverberation or echo
A reflected sound waves is called an echo.
The sound of something coming towards you is called "approach sound," while the sound of something moving away from you is called "receding sound."
Reflected sound waves are called echoes.
excited
The excited crowd is named after St. Mary's Hospital of Bethlehem is referred to as "bedlam." This term has since come to be a synonym for a scene of uproar and confusion.
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The Crowd Called UBAD was created in 1972.
A group of people is called a crowd
The Burmese crowd becomes excited and anticipates the shooting of the elephant. They are eager to see how Orwell will handle the situation and are curious about the outcome.
The equipment is called "Long Range Acoustic Device" or LRAD. These are developed by American Technology Corp.
This electron is called excited.
An alliteration with the word "crowd" could be "cackling crowd" or "cheering crowd." Alliteration is a literary device where the same sound or letter is used at the beginning of closely connected words. In this case, the repetition of the "c" sound in "cackling" and "crowd" or "cheering" and "crowd" creates a pleasing and rhythmic effect in the sentence.
Politicians