A monochromatic light is one that
A
can undergo dispersion
B
cannot be refracted
C
has one wavelength
D
has many wavelength
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
A monochromatic light is one that has a single wavelength or color. This means that it consists of light waves that all have the same frequency, resulting in a uniform appearance without any variation.
Source: WAEC / JAMB / NECO Classroom Archive (Record #70669)