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In a usual physics book designed for IIT JEE preparation, each chapter contains an average of 50 complicated short cut formulas, and there are about 24 chapters, so in total there can be about 50*24 = 1200 formulas. An almost impossible challenge to be memorized by an average student, which makes the entrance so hard to crack. IIT JEE preparation is not about critical thinking, it's about remembering the formulas, and speed of executing the formulas. This is the 2018 solved paper: Not a single seems to have without formula. https://drive.google.com/file/d/16HkkgWtiOT7T4p0ajYhis9gTqBT2SPGo/view?usp=sharing Please go through the book: Paul Hewitt Conceptual Physics Each chapter contains not more than two to three important formulas, that's all required because all other short cut formulas are based on it. An example question from the book of Paul Hewitt, that helps you to understand conceptual understanding, not executing complicated formulas: An e...

The most difficult concept for teaching programming to new students is looping. Students often fail to understand looping because they don't run the loop in their head , and don't think what will be the value of the variable in each loop. The following way of commenting on the loop will help students to understand the loop quickly. Ask them to run the loop in the head, and then comment on what the variables will be in each step of the loop. Remember to maintain the format while writing the comment, don't use short cuts, it will hinder the understanding. Loops with comments squares = [] for value in range(1,11): #loop1 -> value=1, #loop2 -> value=2, #loop3 -> value=3 square = value**2 #loop1 -> value=1, square=1, #loop2 -> value=2, square=4, #loop3 -> value=3, square=9 print(squares) #loop1 -> squares=[], #loop2 -> squares=[1], #loop3 -> squares=[1,4] squares.append(square) #loop1 -> square=1, squares=[1], #loop2 -> square=4, squares=[1,4...

Economics can't be one-sided, where you have some 100 sellers and billions of buyers. One's income is others' spending. #OneSidedEconomy https://youtu.be/PHe0bXAIuk0 How the Economic Machine Works by Ray Dalio Snapshot of Inequality: https://www.cnbc.com/2019/10/07/bloomberg-businessweek-wealth-number-ranking-shows-inequality.html?sf110844641=1

Center has declared Motor Vehicles (Amendment) Act, 2019 using which different states are charging a hefty amount of fines from the citizen for violating traffic rules. Death and Probability: Death in the roads is about probability or chance. There are many ways to decrease the death rates in roads. It includes wearing helmets, following the signals, roads without potholes, wider roads. To follow signals, one needs to know and learn different kinds of traffic signals, and if you are driving on roads, you need to know the driving. For the purpose of evaluating driving skill and the knowledge about traffic signals, RTOs are providing the driving license. All these processes are meant for decreasing the probability of dying on the roads. But in reality, the probability is context-dependent. Take of example, you are travelling a short distance, in narrow roads where traffic is usually high, you can't drive faster than a slow cycle. Whats probability of dying here? The main cause of dea...

What makes a good life? Lessons from the longest study on happiness So what have we learned? What are the lessons that come from the tens of thousands of pages of information that we've generated on these lives? Well, the lessons aren't about wealth or fame or working harder and harder. The clearest message that we get from this 75-year study is this: Good relationships keep us happier and healthier . Period. Robert Waldinger, Psychiatrist, psychoanalyst, Zen priest Emotional Safety: When we talk about discipline, a lot of time we are punitive because it's faster, restorative takes more time.  Using restorative measures is hard, because learning about emotions is hard, it requires lots of reading and research. Master most of the vocabularies of emotions. Study each of them in detail, learn about its definitions, compare and contrast the terms and find out subtle differences. Find out books of best researcher and psychologist, and go through them. Does punishment prevent cr...

Right-wing politics hold that certain social orders and hierarchies are inevitable, natural, normal, or desirable. Some of the definition of social stratification: Social stratification is a kind of social differentiation whereby members of society are grouped into socioeconomic strata, based upon their occupation and income, wealth and social status, or derived power (social and political). As such, stratification is the relative social position of persons within a social group, category, geographic region, or social unit. In modern Western societies, social stratification is typically defined in terms of three social classes: (i) the upper class, (ii) the middle class, and (iii) the lower class; in turn, each class can be subdivided into strata, e.g. the upper-stratum, the middle-stratum, and the lower stratum. Moreover, a social stratum can be formed upon the bases of kinship, clan, tribe or caste, or all four. What Is a Hierarchical Society? https://www.reference.com/world-view/hi...

NEP2019 Draft Allowing multiple attempts for board exams of different subjects after semester end is unlikely to reduce the stress of students, it may further increase the burden of students, as they have to read all the chapters or topics of the subject again to score more. It will be better if they make chapter wise or topic wise exams, with a pass and fail system so that they have reattempt only those chapters which they have failed. It not only reduces stress, but students will master the topics. Classrooms can have mastery-based grading https://www.edutopia.org/article/blended-learning-built-teacher-expertise In mastery-based grading each topic content should be linked with tests, that checks the conceptual understanding of topics. Test shouldn't be used in isolation without content. No random test papers without content should be allowed in education system. An example of guided notes, which prompts questions on every paragraph. https://nbviewer.jupyter.org/urls/book-amiyatul...