Multiple Choice Circle the correct answer option (1 point each) 1. An example of a mechanical wove is a(n) a. Light wave b. Radio wave -1 c. Ocean wove d. X-ray 2. What unit is used to describe the frequency of a wave? a. Decibel (b. Hertz c. Meters per second d. Wavelength 3. An echo is the result of a a. Reflected sound wave b. Diffracted sound wave c. Refracted sound wave d. Dispersed sound wave -1 4. Which of these waves con travel without a medium? a. Ocean waves b. Seismic waves c. Sound waves d. Radio waves 1 5. Which of the following is true about sound waves? a. They are mechanical waves b. They are longitudinal waves c. They are electromagnetic waves d. Both a and b are true & A wave can make a rubber ducky up and down on water, but it cannot move it toward the shore. This is because waves only trans 6. Motter b. Energy c. Media d. Crests