Sound Class 9 Science | Ch-11 | One-Shot | Complete NCERT Covered | Akash Sir

Описание: Stop wasting hours on long lectures! You’re watching the "10 min series"at Excel Career Institute—where we turn complex chapters into 10-minute master classes.

I’m Akash, and today we are dominating 'Sound.' No bluff, no confusion—just the pure concepts you need to top your Class 9 exams.Whether you’re starting from scratch or doing a last-minute revision, this video is your secret weapon to scoring a perfect 100!

"If you’re ready to move from 'Average' to 'Topper' status, hit that subscribe button. Let’s dive in!"


🔍 What You Will Learn:
-​Production & Propagation: How vibrations create sound.
-​Medium Requirements: Why sound can't travel in a vacuum.
-​Wave Types: Longitudinal vs. Transverse waves explained.
-​Sound Characteristics: Understanding Pitch (Frequency), Loudness (Amplitude), and Quality (Timbre).
-​Echo & Reverberation: The science behind reflecting sound.
-​Applications of Ultrasound: From medical imaging to SONAR.
-​The Human Ear: How our ears convert sound waves into electrical signals.

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