SONAR

22 August

TNPSC Daily Notes: Sound Waves & Acoustics | ஒலி அலைகள் மற்றும் ஒலியியல் — 22 August 2026

Athiyaman Team General Science, Physics , Study Materials, TNPSC 0 Comments

Bilingual (English + Tamil) TNPSC daily study notes on Sound Waves and Acoustics for TNPSC Group 1, 2, 2A, 4 and VAO — key points, detailed notes, 5 practice MCQs, memory tips and previous year question patterns from ATHIYAMAN ACADEMY.

12 August

TNPSC Daily Notes: Sound & Acoustics (Physics) | ஒலி மற்றும் ஒலியியல் — 12 August 2026

Athiyaman Team General Science, Physics , Study Materials, TNPSC, TNPSC Notes 0 Comments

Complete bilingual TNPSC study notes on Sound & Acoustics — audible range, speed of sound, echo, reverberation, SONAR, ultrasonics and the Doppler effect. 15 key points, detailed notes in English and Tamil, 5 practice MCQs, memory tips and previous year questions.

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