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প্রেজেন্টেশন

রিসেট

১০ নভেম্বর, ২০২৬ ০৮:০০ অপরাহ্ণ

তরঙ্গ ও শব্দ

📚Physics for Class 9 & 10.


🌊🔉 Chapter 07: Wave and Sound 


↘️ Insights:
Fundamental concepts of mechanical waves and sound. Students learn to define wave characteristics, calculate mathematical relationships involving frequency, wavelength, and velocity, and understand phenomena like simple harmonic motion. The texts also examine the nature of sound waves, explaining how pitch, intensity, and echoes function in daily applications. Additionally, the chapters address practical concerns such as musical acoustics and the environmental impacts of noise pollution.



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