machines cause a lot of noise pollution. Airplanes‚ .. Main causes of noise pollution: Noise is a problem chiefly of the urban area. Loud noise is considered as pollutant. High frequency loud sound‚ creates various kinds of physical and mental problems. The unit of measurement of sound is decibel (dB). Any sound above‚ 80 decibel harms the ciliary cells situate.. Sources of Noise pollution explained below: Domestic gadgets : Mixers‚ pressure cookers‚ washing machines‚ desert coolers‚ generators (as
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READING QUESTIONS DAY ANSWERS 1. Which of the following reading components do you find the easiest and the most difficult? Vocabulary Sentence/Syntax Getting the main idea Comprehension Others:_______________ Easiest: _____________ Difficult: _______________ EASIEST COMPONENTS: Vocabulary - 3 Sentence/Syntax - 11 Getting the main idea - 16 Comprehension - 1 DIFFICULT COMPONENTS: Vocabulary - 5 Sentence/Syntax - 9 Getting the main idea - 5 Comprehension – 11 2. Why do you
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the flute‚ violin‚ piano‚ and oboe. The Fourier Series can be used to explain why each of the instruments have their own unique sound. The flute‚ violin‚ piano and oboe have different combinations of frequencies as each waveform is made of an unique combination of sine and cosine waves‚ and this creates distinct waveforms and allows each instrument to have a unique sound. Recall that the formula of the Fourier Series is f(x)=a_0+∑_(k=1)^∞▒(a_k cos〖πkx/T〗+b_k sin〖πkx/T〗 ) The Fourier Series is
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the song. Words such as young‚ singing‚ all day long‚ boy‚ and son contribute to the youthfulness of the poem. Beside a mountain stream‚ pretty sound of music‚ and swaying daisies sing a lazy song are peaceful diction. Poetic devices such as assonance‚ "young country"‚ and alliteration‚"sitting singing songs"‚ are euphonic‚ offering pleasant soft sounds. Inversion is used for emphasis "all day long‚ I’m sitting singing songs for everyone." Nature is personified as a motherly being and human attributes
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your memory Vocabulary and writing: Describing towns and cities Reading: The top 100 piau;; :: visit before you die Module 3 Around the world page 26 1 Comparatives and superlatives 2 Phrases for comparing Pronunciation: Stress and /~/ sounds Module 4 Life stories page 36 1 Present perfect simple Pronuniciation: Strong and weak forms of have 2 for‚ since and ago and Present perfect continuous Describing life events Positive characteristics Wordspot: take Reading: Parallel
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One‚ the sound of clear blue ocean weaves always brings about a type of joy. Two‚ the sight of the luminous indigo sky brings an over whelming clam. Three‚ the white soft sand feels like silk to the body. To begin with‚ the sounds of the clear blue ocean weaves that can seem endless to the human ear. The roaring ocean is so load it’s as if I’m standing in the center of a drum line. With the roaring waves crashing against the rocks sounds like a linebacker on the football field. The sound of the
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and cooperate with each other. In addition to the way of thinking‚ Japanese people have a unique sense of beauty. They can feel beauty from nonexistent objects. For example‚ in terms of sound‚ they focus on silence between sounds. They recognize silence as a sort of sounds‚ and they can enjoy silence as a sound. In terms of perception‚ they focus on space. For example‚ when they appreciate flower arrangement or bonsai‚ they recognize space as a part of works. Thus‚ they can enjoy nonexistent objects
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three distinct methods: control‚ path control and receptor shielding (Noise Mitigation) can reduce environmental noise. Vasquez 2 Noise intensity is measure by decibel units. The decibel scale runs from zero for the perceptible sound‚ to one hundred and thirty for sound that causes pain. Examples of noise levels in decimals are; 10db for noise as low as breathing‚ 50db for a quiet conversation‚ and 100db for noise as high as a jet take-off or power lawn mower and if exposure is sustained for
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the absorption coefficient α of MDF (Medium Density Fiberboard) and Fiber Cement through an improvised standing wave apparatus consist of an enclosed tube with a speaker on one end and the sample material on the other end. The maximum and minimum sound pressure developed inside the tube is measured by a moving microphone probe and the Standing Wave Ratio SWR and the absorption coefficient of the samples is calculated. The absorption behavior of each sample was also investigated in response to varying
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throughout the environment and enter the eyes. Similarly‚ the auditory system processes sound waves as they travel from their source‚ bounce off surfaces and enter the ears. Both systems can extract a great deal of information about the environment by interpreting the complex patterns of reflected energy that they receive. In the case of sound‚ these waves of reflected energy are called "echoes". Echoes and other sounds can convey spatial information that is comparable in many respects to that conveyed
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