CBSE Class 9: Characteristics of Sound Waves Videos | Sound
Sound
Study the characteristics of sound wave: wavelength, amplitude, speed and frequency. Pitch, Loudness and Quality/timber.
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- What is the SI Unit of "Intensity of Sound"?
- Formula for frequency
- Name the characteristics of sound that help us to distinguish and note played on a sitar and a violin
- Difference between intensity and loudness
- Does plants affected by sound or not
- Soundwaves of wavelength X travel from a medium in which velocity is Vm/s into another medium in which if velocity is 3m/s, what is the wavelength of sound in the second medium?
- How SONAR and ultrasonic sounds are different from each other?
- Would the speed of sound on a warm day be different from the speed of sound on a cold day? If yes what would be the difference?
- An airplane produces a sound wave with frequency of 5 KHz and wavelength 30 m. In how much time would the sound wave cover the distance of 4 Km?
- Wavelength of a siren in air is 1.2m. And if same siren is blown under water it has wavelength 6 m in water. Find the velocity of sound in water, if the speed of sound in air is 330 m/s.
