Well done Danushree

Danushree has scored 547 marks out 600 in TN Higher Secondary Board Examination. All the best…

Well done Shravanth

Shravanth has scored 526 marks out of 600 in Tamilnadu State Higher Secondary Board Examination. Congratulations…

Probability

Probability of a desired event = number of desired events / number of elements in the…

Silence is Interpretation

When I listened, I could not understand. When I watched, I could not get it clarified.…

Sets

Set is a defined as a collection of objects. Set of Natural numbers, N = {1,…

Light – Reflection and refraction

Reflection Laws of reflection Spherical mirrors Properties of image formed by a plane mirror Problems based…

Determination of atomic mass

Atomic mass can be determined by applying the following formula. Atomic mass = (w1A1 + w2A2)/(w1+w2)…

Easy Multiplication by a number with repeated 9 with any number with equal number of digits.

Lines and angles – Summary

If a ray stands on a line, then the sum of the two adjacent angles so…

STD09 Topics

Maths Number system Polynomials Coordinate geometry Linear equations Introduction to Euclid’s geometry Lines and angles Triangles…

Tenkasi Visit

தென்காசி பயணக் கட்டுரை by Dr. E. Ramanathan தென்காசிப் பயணம் என் வாழ்வில் ஒரு இனிமையான மறக்க முடியாத அனுபவம்.…

Doctorate awarded

Sri. E. Ramanathan was awarded Doctorate Degree by Governor of Tamilnadu in presence of Chief Minister…