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Wave Intensity Progressive waves transfer energy The amount of energy passing through a unit area per unit time is the intensity of the wave Therefore, the intensity is defined as power per unit ar...
Edexcel IGCSE Chemistry 复习笔记 4.1.3 Classifying Organic Reactions
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CIE A Level Physics复习笔记7.1.3 The Wave Equation
Derivation of v = f λ Using the definitions of speed, frequency and wavelength, the wave equation v = fλ can be derived This is an important relationship between three key properties of a wave The ...
Edexcel IGCSE Chemistry 复习笔记 3.3.3 The Position of Equilibrium
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Cathode-Ray Oscilloscope A Cathode-Ray Oscilloscope is a laboratory instrument used to display, measure and analyse waveforms of electrical circuits An A.C. current on an oscilloscope is represente...
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