2. It is the number of waves that pass a particular point every one second
a.wave
b. frequency
c. period
d. wavelength

3. A period of each wave is equal to?
a 1
b. frequency
c. 1/frequency
d.o
4. It is a repetitive motion that you do with your hand while waving
a. vibration
b. length
c. period
d. wavelength
5. It is a periodic disturbance that moves away from a source and carries energy with it
a. wave
b. length
c. period
d. wavelength
6. Energy from the sun reaches the earth through?
a.electromagnetic wave
b. sound waves
c. ultraviolet waves
d. x-tray
7. It is the time required for one complete wave to pass a particular point
a. wave
b. length
c. period
d. wavelength
8. It refers to the distance the wave travels per unit time. It is related to the frequency of the wave and wavelength through the following equation: wavespeed = frequencyxwavelength
a. wave
b. length
c. period
9. It refers to the highest point of waves. a wave
b. crest
c. trough
d. wavelength
10. It refers to the lowest point of waves a. wave
b, crest
c. trough
d. wavelength


nasa picture pagnagugulohan kyo,. ☺️​