Answer the question in maximum 50 words. This question carries 05 marks. [MPPSC 2020]
Explain the concept of anti-sound.
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What is Anti-Sound?
Anti-sound refers to a sound wave that is the opposite (or inverse) of an original sound wave. When two sound waves of equal frequency and amplitude meet in opposition, they cancel each other out, creating silence. This principle is used in noise-cancelling headphones, which emit anti-sound to cancel unwanted background noise.
Illustration: Anti-sound is used in car engines to reduce noise pollution by producing sound waves that cancel out engine noise.
What is Anti-Sound?
Anti-sound refers to a sound wave that is the opposite (or inverse) of an original sound wave. When two sound waves of equal frequency and amplitude meet in opposition, they cancel each other out, creating silence. This principle is used in noise-cancelling headphones, which emit anti-sound to cancel unwanted background noise.
Illustration: Anti-sound is used in car engines to reduce noise pollution by producing sound waves that cancel out engine noise.