Answer:
Waves can be measured using wavelength and frequency. ... The distance from one crest to the next is called a wavelength (λ). The number of complete wavelengths in a given unit of time is called frequency (f). As a wavelength increases in size, its frequency and energy (E) decrease.
Answer:
anaemia, low blood pressure etc.
Stress. Being alone. having nothing
Time period = time/no. of waves = 6/3 = 2s
