to the direction of wave travel
move opposite to the direction of wave propagation
D. travel parallel to the direction of the wave propagation
3. It is the distance between two successive particles that are in phase.
A. amplitude C. period
B. frequency D. wavelength
4. Comparing the speed of sound in liquids, gases, and solids, the speed of s
is usually highest in
and lowest in
A. solids, liquids C. gases, solids
B. liquids, solids D. solids, gases
5. Suppose a radio wave has a wavelength of 5 meters and its frequency is
What is its speed?
A. 60 m/s
C. 300 m/s
B. 130 m/s
D. 560 m/s​