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3. The intensity of sound from an isotropic source at a distance of 5.4 m from it is 2 x 10 W/m2. What intensity is its
Posted: Fri Apr 29, 2022 10:48 am
by answerhappygod
- 3 The Intensity Of Sound From An Isotropic Source At A Distance Of 5 4 M From It Is 2 X 10 W M2 What Intensity Is Its 1 (20.96 KiB) Viewed 24 times
3. The intensity of sound from an isotropic source at a distance of 5.4 m from it is 2 x 10 W/m2. What intensity is its intensity at a distance of 2.8 m? (3 marks) X a 4. Dolphins emit ultrasonic waves with a frequency as high as 2.8 * 109 Hz. What is the wavelength of such a wave in seawater at 20°C? Speed of sound in see water at 0 °C. Ve= 1493 m/s. (3 marks)