Get NCERT Solutions, Extra Questions, Worksheets, and Notes of Chapter 13 Class 8 Sound. Teachoo also provides solutions of all Maths and Science NCERT Questions with explanation of Concepts.
In this chapter, we will study
What is Sound ?
How is sound produced ?
Different Musical Instruments and how sound is produced in them
What is Medium of Sound? In which medium does sound travel?
Amplitude, Frequency and Time Period of Sound
Difference between Frequency and Amplitude
How is sound produced by Humans
How do we hear sounds ?
What do you mean by Noise and Music?
What is the difference between Noise and Music
What is Noise Pollution ?
What are the c auses and effects of Noise Pollution
How to reduce Noise Pollution ?
What is Hearing Impairment?
What are Audible and Inaudible Sounds
What are Ultrasonic Sounds ?
What are the different methods of producing sound ?
When we hear a sound, does any part of our body vibrate ? Name the part.
Does any part of the body vibrate when we speak ? Name the part.
Why is the voice of men, women and children different ?
In which medium sound travels more faster - Water, Glass, Air, Vacuum. Why?
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