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In Class 8 Chapter 13 Sound Notes, the properties of sound and how sound is perceived by humans are discussed. Also, provided here is the extra questions for the chapter.
NCERT Solutions for Class 8 Science Chapter 13 Sound renders students with accurate solutions to all the exercises and in-text questions provided in the NCERT Class 8 textbook that aligns with the CBSE Board.
A sound is a form of energy, just like electricity, heat or light. Sound is one of the important senses of the human body. Some sounds are pleasant, and some are annoying. We are subjected to various types of sound all time. Sound waves are the result of the vibration of objects. Let’s examine some sources of sounds like a bell.
• Sound requires a medium for propagation. It cannot travel through a vacuum because the vacuum has no medium which can carry the sound energy. • Sound can travel through solids, liquids and gases. Its speed is maximum in solids, followed by liquids and then gases. In Solids: Speed is maximum. In Liquids: Speed is more than gases but less ...
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Get Revision notes of Class 8 th Science Chapter 13 Sound to score good marks in your Exams. Our notes of Chapter 13 Sound are prepared by Maths experts in an easy to remember format, covering all syllabus of CBSE, KVPY, NTSE, Olympiads, NCERT & other Competitive Exams.
