A student makes a wave in a ripple tank.
The student measures distance, LLL.
What is the wavelength of the wave?
7.5 cm7.5\text{ cm}7.5 cm
9.0 cm9.0\text{ cm}9.0 cm
15.0 cm15.0\text{ cm}15.0 cm
45 cm45\text{ cm}45 cm