You will know that light can act like either a wave or a particle. You will know that all types of light travel at the same speed. You will be able to distinguish between wavelength, frequency, and sp...You will know that light can act like either a wave or a particle. You will know that all types of light travel at the same speed. You will be able to distinguish between wavelength, frequency, and speed You will be able to perform calculations and understand conceptually the relationship between wavelength, frequency, and speed.