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Since both sound waves travel the same round-trip distance, speed is inversely proportional to time. Taking the ratio of time taken gives the speed ratio of air to water as 1:4.5 or 2:9. Class 9 Science Exploration Chapter 10 Important Questions ...

class 9 science exploration chapter 10 sound waves (new book)class 9 science exploration chapter 10 sound waves solutionsidentical sound sources are placed at a and bif the time taken by the sound to return to a is 4.5 timesratio between the speeds of sound in air and watersound waves: characteristics and applications question answer
Kriti
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Plot distance on the horizontal axis and density on the vertical axis, drawing sinusoidal oscillations that peak 3 units above and below average density, repeating every 4 cm along distance. CBSE Class 9 Science Chapter 10 Sound Waves Characteristics and Applications ...

class 9 science exploration chapter 10 sound waves (new book)class 9 science exploration chapter 10 sound waves solutionsgraph to represent a sound wave for which the density amplitude is 3 unitssound waves: characteristics and applications question answerwavelength is 4 cm