Answer:
The frequency of wave is 0.125 Hz.
Explanation:
Frequency:
"It is an event repeat itself in a given period of time"
The unit of frequency is the Hz . If time is measured in seconds then frequency will be in Hz. Hz is equal to the per second.
Formula:
f = 1/ T
f = 1/ 8 sec
f = 0.125 Hz
Answer: option D.
The total number of atoms of each element on both sides of the
equation must be the same.
Explanation:
Melting, vaporization, boiling, and sublimation.