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In Physics, a wave is essentially defined as the motion or movement of a disturbance. Some waves, such as sound waves, require a medium through which the disturbance travels; for example, when a disturbance (essentially an applied force) is made in a lake, the water is the medium through which the disturbance travels. Thus, the water particles will be in motion when the disturbance is made. Other waves, such as radio waves, do not require a material medium, but rather, can travel through a vacuum

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other forms of illumination) transmits light waves whose electric field vectors vibrate in all different planes relating to the direction of transmission. When these electric fields are restricted to a single plane by filtration, the light is said to be polarised as all of the light waves are vibrating in the same plane. When unpolarised light is passed through a Polaroid filter, it emerges with only half the intensity of before, and with all waves travelling in the same plane. This light is

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from the peak of a wave to the next peak. The frequency is how often the particles of a wave vibrate. Because the wavelength is a distance, and frequency is a time, when they are multiplied, the velocity of the wave must be found. An example of this relation is a slinky. When the waves are more separated and it takes less time for the wave to vibrates, the slinky is clearly moving more quickly. 2.Transverse waves are waves that have particles moving perpendicular to the wave motion, while longitudinal

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Fluid Behaviors of Sound Waves Sound is capable of being produced only if a medium is present. By this, I mean that, for there to be sound, there must be air. For a sound wave to be emitted by an instrument and be received by a listener, the instrument must excite the air around it and propagate its energy through the air, in the form of compression/longitudinal waves. When received by the listener, the waves pulse the eardrums with the same varying frequencies as they were emitted. An instrument

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Sound and Frequency

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the word wave? Maybe you picture yourself waving your hand to say hello, or a wave on the ocean. In physics, a wave can be defined as a a repeating and periodic disturbance that travels through a medium and transfers energy from one point to another. This disturbance, or variation, can move up, down, forward or back, just think of the waves in the ocean. The medium is the substance or material that carries the wave, for instance, with ocean waves the medium would be the water itself. Wave motion transfers

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Sound is a product of mechanical waves that initiates the natural frequency of an object. This natural frequency sends out vibrating waves that we hear as sound. In order to better understand mechanical waves and electrical impulses you must first be able to understand the properties of waves, speakers and electrical signals. A key component that is crucial in understanding sound is waves. There are two types of mechanical waves, longitudinal and transverse. In both waves the particles must move with

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the Speed of Water Waves Introduction In this experiment I will be investigating the wave speed, of waves on water in a tray, and how this speed is affected. Waves can be longitudinal, when the particles move in the same direction as the direction of the wave, or it can be transverse, when the particles move at 90o to the direction of the wave. Water waves are transverse waves even though transverse waves cannot travel through liquid. This is because the waves travel on top of the

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Mechanical waves: Mechanical waves are the waves which need a medium to travel and transfer their energy while on the other hand non-mechanical wave’s does not require a material medium to travel. Longitudinal and transverse are two types of wave motion of the mechanical waves which have the capability to travel through a medium which could be gas, liquid or solid at the wave speed which totally depends on the properties of that medium. Waves in the water of sea could be the example of the mechanical

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broadcasted with both microwaves and longer radio waves. These are transmitted in two ways: amplitude modulation (AM) and frequency modulation (FM). Amplitude radio is created by combining a sound wave from a microphone, tape, record, or CD with a "carrier" radio wave. This results in a wave that transmits voice or programming as its amplitude (intensity) increases and decreases. Frequency modulation conveys information, voice, and music on a radio wave is to slightly change, or modulate, the frequency

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Acoustic Wave Sensors Sensors A sensor is a transducer whose purpose is to detect some characteristic of its environs. The active element of sensor is called transducer. Transducer converts one form of energy to another form. A sensor is a device which provides a usable output in response to a specified input. A sensor acquires a physical quantity and converts it into a signal suitable for processing like optical signal, electrical signal and mechanical signal. For example thermocouple senses the

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