Energy in Sound Waves, Forced Vibrations,Natural Frequency,Resonance

Energy in Sound WavesWave motion of all kinds possesses energy of varying degrees. Electromagnetic waves from the Sun, for instance, bring us the enormous quantities of energy that are necessary for life on Earth. By comparison, the energy in sound is extremely small. That's because producing sound requires only a small amount of energy. For example, 10,000,000 people talking at the same time would...

Reflection of Sound and Refraction of Sound

 Reflection of SoundWe call the reflection of sound an echo. The fraction of energy carried by the reflected sound wave is large if the surface is rigid and smooth and less if the surface is soft and irregular. Sound energy not carried by the reflected sound wave is carried by the "transmitted" (absorbed) wave.Sound reflects from a smooth surface the same way that light does-the angle of incidence...

Sound, Origin of Sound, Media That Transmit Sound

 SoundIf a tree fell in the middle of a deep forest hundreds of kilometers away from any living being, would there be a sound? Different people will answer this question in different ways. "No," some will say, "sound is subjective and requires a listener. If there is no listener, there will be no sound." "Yes," others will say, "a sound is not something in a listener's head. A sound is an objective...

Contoh Soal Numerasi Kelas 10

  Jakarta - Kementerian Pendidikan, Kebudayaan, Riset, dan Teknologi (Kemendikbudristek) memutuskan akan menggelar asesmen nasional jelang akhir tahun 2021. Asesmen nasional ini merupakan pengganti ujian nasional (UN) yang dinilai diskriminatif. Untuk memudahkan Kemendikbudristek memberikan...

Contoh Soal Pengertian Panjang Gelombang dan Periode

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