A wave travels a distance of 20 cm in 3s. The distance between successive crests of the wave is 4cm. What is the frequency of the wave?

okanima

6 years ago

Velocity= wavelength x frequency
velocity = DISTANCE /time
v = 20/3 = 6.6667
Manking frequency the subject of formula
frequency= velocity /wavelength
f = 6.6667/4 =1.67Hz

Tammiyzie

7 years ago

Number of waves=20/4=5
frequency=1/time
=1/3
=0.333
total frequency=0.333*5
=1.67