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Define the term Amplitude
In simpler terms, amplitude is the amount or relative value of a signal. Amplitude is measured in units of pressure e.g. Newtons/sq. m. But what is physiologically more relevant is power, i.e. (amplitude) 2. The faintest whisper that the ear can hear is much weaker than the loudest sounds that the ear can tolerate without getting damaged. Therefore, if the entire range of intensity of audible sound were to be expressed directly, 'we would be dealing with very inconvenient figures.
Hence, we use a logarithmic scale to measure the intensity of sound. A logarithmic scale, as you know, is a highly condensed sca1e.The logarithm of 1 is 0, and log 1012 is 12, therefore the range from 1-1012 gets condensed to 0-12 on the logarithmic scale.
The Early History of the Earth The Earth has been evolving and changing ever since its origin, about 4.5 billion years ago. In the first tens of millions of years of the Ea
Wave and tidal energy: Waves and tides are another source of energy which is perpetual and can be converted into electric energy, particularly where sea water can move into a n
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Proteins may be classified broadly into three groups: a) Simple proteins, b) Conjugated proteins, and c) Derived proteins.
Explain the Radioactive Proteins If a sample of plasma is allowed to incubate with the radioactive iodine ( 131 I) for 30 minutes or more, some of the protein combines with iod
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Give the common name of the historic mineral that was the original source of radium and the first substance in which helium was discovered on earth: Pitchblende
How to neutralize the ethyl alcohol used for determined alcoholic acidity.
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why and where endomitosis happen?
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