Sound Class 8 Revision Notes
The class 8 science chapter 13 notes helps students realize the role of sound in our lives. It lays stress on how sound is helpful in communication between people. Moreover, the chapter also explains how sound gets produced. In addition to that, students will also learn how the sound travels from one place to the other. The questions of how do we heard sound will also be answered from this chapter. Furthermore, some sounds being louder than the other will be discussed over here.
The chapter elucidates the causes of sound. It further moves on to how humans produce sound. Other than that, this chapter will assist students in learning about the mediums sound needs for propagation. The chapter further throws light on the amplitude, time period and frequency of vibration. Students will also learn about noise pollution in detail and its consequences plus measures to curb it.
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Sub-topics covered under Sound:
- Human Ear
- Production and Propagation of Sound
- Reflection, Transmission, and Echo
- Characteristics of Sound
You can download CBSE Class 8 Science Chapter 13 Revision Notes by clicking on the download button below
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