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  1. Introduction to sound waves. – Sound needs a medium to propagate. The matter or material through which sounds propagates is called a medium. – Sound cannot travel in a vacuum. The moon does not have an atmosphere.

  2. Feb 9, 2019 · Sound Class 8 Science Chapter 13 as per NCERT Book used in CBSE and other Schools. The lesson covers the complete explanation of class 8 Chapter 13 Sound. Topics covered are sound, types of sound, sound as wave and wave types.

  3. Jan 24, 2024 · CBSE Class 8 Science Notes Chapter 13 Sound Pdf free download is part of Class 8 Science Notes for Quick Revision. Here we have given NCERT Class 8 Science Notes Chapter 13 Sound.

  4. Oct 18, 2021 · Important Notes for CBSE Class 8 Science Chapter 13 – Sound. Sound Class 8 Notes and Study Material Download in PDF form.

  5. 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.

  6. Aug 12, 2024 · NCERT Solutions for Class 8 Science Chapter 13 – 2 Mark Questions and Answers Question 1. The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second.

  7. 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.

  8. Jun 13, 2024 · According to the CBSE rules for students in class 8, the following are the major subjects covered in chapter 13, “sound.” Introduction to sound. Wave and particle motion of sound. Properties of sound. How do humans produce sounds. Human ear. Amplitude, frequency, and time period of vibrations. Audible and inaudible sound. Noise pollution.

  9. NCERT Science Chapter Ch 13 Sound Notes for Class 8 by Selfstudys are best notes because these are prepared by experienced staff members. NCERT Class 8 Science Chapter Ch 13 Sound Revision Notes contains very easy language which helps the students to study and revise syllabus with almost no time.

  10. Answer. → to-and-fro or back-and-forth or up-and-down motion of a body. → Sound is a form of energy that is produced by producing vibration in an object. → Sound cannot move through vacuum. → Sound waves are longitudinal waves. Exercise. 4. How sound is produced by Humans? Answer.