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What is a median in math?

What is a median in math? The median is the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average. Median is the middle number in a sorted list of numbers. To determine the median value in a sequence of numbers, the numbers must first be sorted, or arranged, in value order from lowest to highest or highest to lowest. If there is an odd amount of numbers, the median value is the number that is in the middle, with the same amount of numbers below and above. If there is an even amount of numbers in the list, the middle pair must be determined, added together, and divided by two to find the median value. The median is sometimes used as opposed to the mean when there are outliers in the sequence that might skew the average of the values.  You may like What is manifesting? What is electric Charge? What is Binary? What is physics? What is pH scale? What is quantum mechanics?

Objectives of Physics

Objectives of Physics


Physics unearths the mystery of nature: Physics is the fundamental branch of science because its principles are the basis of other branches of science. For example, the principle of conservation of energy is a principle of physics used to explain the wide range of science starting from the structure of atoms to weather forecasting.

Although the main function of physics is to study matter and energy, the main objective of physics is to realize the rules of nature as well as unearthing the mystery of nature. At the beginning of the twentieth century, physicists discovered that electrons revolve around the positively charged nucleus of an atom. Subsequent experiments proved that the nucleus consists of protons and neutrons. Now the physicists have discovered that protons and neutrons are formed of smaller particles.

The study of physics helps not only to understand and explain natural events but also its application plays a vital role in other branches of science. At present physics is at the center probably because of its application in other branches of science. The discovery of electron at the end of the ninetieth century made possible to invent the electron microscope which has brought about a revolution in material science and Cytology.

In physics, there is the development of theories and application mathematics at the same time it has practical application and engineering application too. Physics is very essential to give fundamental explanations and form an idea about Chemistry, Geology, Astronomy, Meteorology, etc. In addition, there is a wide application of methodology and instruments of physics in Biology, Oceanology, Psychology, and Medical Science.

Physics describes the laws of nature: The natural world that we live in follows certain laws e.g. Newton’s law of gravitation, the law of conservation of energy, etc. Since our childhood, we have been acquiring these laws through our personal experiences which are very essential for our life. We cannot change the function and laws of nature but can utilize them. For their proper utilization, we need sufficient knowledge about them. Moreover, physics is the science that studies on this earth for innovation.

Development of technology results from the proper application of fundamental laws of physics: We have to have knowledge about the fundamental laws of physics if want to know how television works, the rocket flies in the space, artificial satellite revolves around the earth, mobile phone functions, submarine remain submerged into water and how by using the internet the whole world can be explored in a moment. The discovered laws of physics pave the way to invent these technologies.

The study of physics is perfect human training: We can achieve new ideas by the study of physics. Physics instructs on how to think, show cause, how to put argument, how to utilize logic and mathematics. It stimulates our imagination and develops the power of thinking. 

Physics teaches how to carry out observation: We can develop our capability of observation. We can also learn how to carry out systematic observations by studying physics properly.


Secondary Physics


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