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9. (8 marks) A mallard duck floating on a pond generates waves at a rate of two per second with a wavelength of eight ce
Posted: Thu Apr 28, 2022 9:26 am
by answerhappygod
- 9 8 Marks A Mallard Duck Floating On A Pond Generates Waves At A Rate Of Two Per Second With A Wavelength Of Eight Ce 1 (73.13 KiB) Viewed 24 times
9. (8 marks) A mallard duck floating on a pond generates waves at a rate of two per second with a wavelength of eight centimeters. a) What is the period of these waves? b) What is the wave velocity? 10. (4 marks) A student is writing a final exam when his cell phone goes off. If the frequency of the ringtone is 312 Hz, what is the wavelength of the ringtone? (Assume the speed of sound is 331 m/s). 11. (4 marks) Solar ultraviolet radiation associated with tanning and sunburns has a typical wavelength of around 350 nm (i.e., 3.5 x 10-7m). What is the frequency of this solar ultraviolet radiation?