Wave practice Problems _______________________________ December 7, 2000 List the five properties of waves: 1. ____________________________________ 2. ____________________________________ 3. ____________________________________ 4. ____________________________________ 5. ____________________________________ 6. Sound waves have a frequency of 250 Hertz (waves per second) and a wavelength of 1.30 meters. Find the speed of sound waves. _____________________ 7. Water waves in a small tank are 6 cm long. They pass a given point at a rate of 14.8 waves every three seconds. 6 cm a) What is the speed of the water waves? ____________ b) What is the period of these water waves? ____________ 8. Microwaves are electromagnetic waves that travel at a speed of 3.0 x 10 8 m/s. The microwave oven at the back of the room operates at a frequency of 2450 MHz (2.45 x 10 9 waves per second) a) what is the period of these waves? _________________ b) What is the wavelength of these microwaves? _______________
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