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所在平台: Udemy |
课程主页: https://www.udemy.com/course/units-measurements-in-physics-science/
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课程名称：物理测量的物理学 概述：本课程专为科学爱好者和研究者而设计，旨在深入探讨“物理量”这一基础但重要的问题。课程内容包括各种测量技术，如视差法，并介绍国际单位制，这是全球研究者普遍接受的单位系统。课程涉及以下主题： 1. **视差法**：其在天文学中的应用，用于测量恒星、行星以及太阳的距离，以及行星的大小。 2. **长度单位**：讨论光年、天文单位和秒差距等测量单位。 3. **质量和时间的测量技术**：涵盖不同的科学技术。 4. **平面角和立体角**：解析其测量单位，包括度、分、秒和弧度，并探讨单位之间的转换关系。 5. **误差分析**：重点讨论测量的准确性、仪器的精确度及测量误差。课程将介绍系统误差、随机误差和最小读数误差等类型，分析这些误差在数学运算中如何传播，并讲授实验中识别、减少与控制误差的技巧，这对研究者和实验者极为重要。 6. **物理量的维度分析**：了解物理量的维度、维度分析及其在找寻方程同质性、相关物理量之间的关系及单位转换因子中的应用。 此外，课程还提供了33个已解决的数值问题，帮助学习者巩固知识。
This course is designed especially for the Science Enthusiasts & Research Aspirants. The course begins by answering a very simple, yet very important, question i.e. "What is a Physical Quantity?" and also briefs on various measurement techniques such as the Parallax method. The course talks about the SI Unit System which is the commonly accepted unit system among Researchers all across the globe.The Course covers topics like The Parallax Method and its uses in astronomy for the measurement of very large distances like the distance to any star, distance to any planet or to the sun, sizes of the planets, etc. We also brief about the various units of measurement of length like the light year, astronomical unit & the parsec. The course also covers various scientific techniques for the measurement of Mass and Time.In this course, we also understand the deep meaning of plane angle and solid angles and their units of measurement i.e. Degree, Minute, Second & Radian. We also look at the conversion factor between these units of measurement of plane angle.The course also covers very important topics from Error Analysis. the course includes topics like Accuracy of a measurement, Precision of an Instrument and the Error in measurements. We also look at various types of errors like the systematic errors, the random errors & the least count error. We also look at how these errors propagate from one physical quantity to another in a mathematical operation. The course also teaches you, how to tackle these errors that arise in your experiment and the techniques to identify, reduce and control these errors which is the most essential part for any researcher or experimentalist.The course also gives a brief idea about the Dimensions of a physical quantity, the Dimensional Analysis and its applications in finding the homogeneity of any equation, in finding relation between related physical quantities and in finding the conversion factor between various systems of units.The course also covers as many as 33 numerical problems solved.
