Well done Danushree
Danushree has scored 547 marks out 600 in TN Higher Secondary Board Examination. All the best Danushree!!
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Well done Shravanth
Shravanth has scored 526 marks out of 600 in Tamilnadu State Higher Secondary Board Examination. Congratulations Shravanth!!
Probability for class 10
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Silence is Interpretation
When I listened, I could not understand. When I watched, I could not get it clarified. When I studied, I could not know. When I taught, I could not realize. When I was silent, I could understand. The ultimate learning is feasible when you are silently listening, studying, practising, thinking and introspecting. Remove all thoughts…
Light – Reflection and refraction
Reflection Laws of reflection Spherical mirrors Properties of image formed by a plane mirror Problems based on reflection, concave and convex mirrors. Concave and Convex Mirrors Problem-1: An object of 5.0 cm in length is kept at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find…
Determination of atomic mass
Atomic mass can be determined by applying the following formula. Atomic mass = (w1A1 + w2A2)/(w1+w2) If the weight is given in terms of weight percentage replace w1 as w1% , w2 as w2 % and (w1 + w2) as 100 respectively in the above equation.
Lines and angles – Summary
If a ray stands on a line, then the sum of the two adjacent angles so formed is 180° and viceversa.This property is called as the Linear pair axiom. If two lines intersect each other, then the vertically opposite angles are equal. If a transversal intersects two parallel lines, then(i) each pair of corresponding angles…
STD09 Topics
Maths Number system Polynomials Coordinate geometry Linear equations Introduction to Euclid’s geometry Lines and angles Triangles – Criteria for congruent triangles Quadrilaterals | Sketch Notes | Herons formula | Sketch Notes | Areas of parallelogram and triangles Circles Constructions Surface area and volume Statistics Probability Science Matter in our surroundings Is matter around us pure…
Tenkasi Visit
தென்காசி பயணக் கட்டுரை by Dr. E. Ramanathan தென்காசிப் பயணம் என் வாழ்வில் ஒரு இனிமையான மறக்க முடியாத அனுபவம். பயணக் கட்டுரையை வாசிப்பது என்பது ஒரு சுகமான அனுபவம் என்றால், அதனை ரசித்து எழுதுவது என்பது முக்கனியின் சாறெடுத்து அதில் இன்பத் தேன் கலந்து பருகுவது போல இருக்கின்றது. நம் மாணவர்கள் பலர் இதைப்போல ஒரு கட்டுரையை எழுத வேண்டும் என்பது என்னுடைய அவா. யாமறிந்த மொழிகளிலே தமிழ்மொழிபோல் இனிதாவது எங்கும் காணோம் என்று…
Doctorate awarded
Sri. E. Ramanathan was awarded Doctorate Degree by Governor of Tamilnadu in presence of Chief Minister Mr. M.K. Stalin on 16th May 2022.