Seismic waves‚ which are waves of energy that travel through the earth‚ and are a result of an earthquake‚ explosion‚ or a volcano that imparts low-frequency acoustic energy. There are two types of seismic waves‚ Body waves and surface waves. Body waves travel through the interior of the earth. Surface waves travel along the earth’s surface and through water. Seismic wave fields are measured by a seismograph‚ geophone‚ hydrophone or accelerometer. These are used to measure earthquakes. When
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Ocean Waves A wave is a periodic disturbance in space and time‚ possibly transferring energy to or through a space-time region. Have you ever ridden a wave in the ocean? Ocean waves travel on the surface of the water. You can see them and you can feel them. As you swim through the water‚ you can even make your own waves. The winds cause waves on the surface of the ocean (and on lakes). The wind transfers some of its energy to the water‚ through friction between the air molecules and the water molecules
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WAVE ENERGY Chapter 2: Energy Technology 2.1 Source of Wave Energy Ocean waves are caused by the wind as it blows across the open expanse of water‚ the gravitational pull from the sun and moon‚ and changes in atmospheric pressure‚ earthquakes etc. Waves created by the wind are the most common waves and the waves relevant for most wave energy technology. Wave energy conversion takes advantage of the ocean waves caused primarily by the interaction of winds with the ocean surface. Wave energy is
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SINE WAVE Sine wave: Sine wave is the most fundamental form in analog signal. When any communication process will be analog process then the data must be converting into analog signal & a sine wave is the common form of analog signal. A sine wave changes over a course of cycle which is constant and continuous. A sine wave represent in graphically where time in X axis & value in Y axis. [pic] Parameters; A sign wave have three parameter
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Japan-mania and Korean-waves cultural marketing had influenced many countries including Taiwan‚ South East Asia and some other parts in the world. Japan-mania started earlier than Korean-wave in Taiwan and other parts of the world since‚ Japan recovered and its economics revolution after World War II was faster and rapid than Korea. In Malaysia‚ in early 2000s‚ Japanese trendy dramas came into picture as Takuya Kimura is one of the favourite actor‚ which it attracted teenager’s viewers more than
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The film The Wave‚ showed how absolute power can corrupt absolutely‚ and to an extent anyone could become become the second Hitler if given enough power. Ben Ross‚ a history teacher at Gordon High School in 1969‚ was upset that he couldn’t answer one of his student’s questions so he decided to research the topic. The question pertained to the fact that ninety percent of Germans that were not a part of the Nazi Party were allowing the genocide to happen. Mr. Ross decided to create an experiment that
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by making their residential structures reinforcements to absorb incoming sound waves. They do this to avoid certain risks concerning health. This was called “Soundproofing”. Soundproofing is the method of reducing sound pressure with respect to a specified sound source and receptor. It may be approached by sound blocking or sound absorption. Both have different purposes‚ either to reduce sound entering or reducing the sound bouncing inside a room. 1 2 B. STATEMENT OF THE PROBLEM
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Standing wave Standing waves in a string — the fundamental mode and the first 6 overtones. A standing wave‚ also known as a stationary wave‚ is a wave that remains in a constant position. This phenomenon can occur because the medium is moving in the opposite direction to the wave‚ or it can arise in a stationary medium as a result of interference between two waves traveling in opposite directions. In the second case‚ for waves of equal amplitude travelling in opposing directions‚ there is on
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Chapter-1 One Dimensional Wave Equation Introduction Wave equation in one dimension Chapter-2 Three Dimensional Wave Equation Total energy of a vibrating particle Superposition of two waves acting along the same line Graphical methods of adding disturbances of the same frequency Chapter – 1 Introduction: The branch of Physics based on the wave concept of light is called ‘Wave Optics’ or ‘Physical Optics’. Mathematical representation of a wave:
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Perception of Sound Hearing allows us to do our everyday activities and improves our lives. It enables us to communicate‚ socialize‚ and interact in our environment. Good hearing also helps to keep us safe‚ warning us of dangers or alerting us to someone else’s distress. Hearing is necessary for us to be able to participate in life more fully. Our hearing provides us with a huge source of information; some of it is known to us and some we don’t even notice but when combined‚ this information gives
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