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Showing posts from February, 2023

PREPARATION FOR EXAMINATIONS

The subjects can be segregated into three types based on their nature:- 1.Humanities(language, history, geography,etc...) 2.Science(physics,chemistry,zoology,botany,etc..) 3.Mathematics and allied subjects. All these three categories require different kind of preparations. Language papers: A few students are found to have prejudice against learning particular language. It creates a mental block and prevents them from attaining proficiency.Some of them have an allergy towards this language papers.Aversion towards a language will make a person totally incapable of learning it,in spite of his intelligence.So the first prerequisite is to have an open mind free from bias.Language is beyond logic.It os arbitrary in nature.One cannot question the wisdom of the people who coined a term and compel them to give reasons.However,one can shift the etymology of a word to trace the root.Still,the basis for root word cannot be arrived at.Therefore,we sh...

How hot is the Sun?

Mukesh asked-"How hot is the sun,mam? We know the sun is a great ball of hot gases,made up of many layers of hot gases.But how hot is the sun?" Ma'am replied -"The scientists believe that the temperature on the surface of the sun is about 6,000 degrees centigrade! When hot molten iron is used in making steel,it reaches a temperature of about 1,430 degrees.Just imagine how hot the sun's surface is!How hot is the sun's interior because the sun is surrounded by four layers of gaseous matter. But it has been found out that the sun contains more than 60 of the chemical elements present in the earth."