11 October
Today’s TNPSC Daily Notes from Athiyaman Academy cover the Mechanical Properties of Fluids in English and Tamil — fluid pressure and P = hpg, atmospheric pressure and the barometer, Archimedes’ principle and the law of floatation, Pascal’s law and hydraulic machines, Bernoulli’s principle, surface tension, capillarity and viscosity. Includes 15 key points, detailed bilingual notes, 5 practice MCQs with answers, memory tips and previous year question patterns for TNPSC Group 1, 2, 2A, 4 and VAO.