13. The red and violet lights are both visible lights. Red light has longer wavelength
compared with violet light. Does violet light have higher frequency than red light?

A. No, because violet light has shorter wavelength than red light.

B. Yes because violet light with shorter wavelength has higher frequency

C. No because the wavelength of visible light has no relations to its frequency.

D. Yes because wavelength and frequency of electromagnetic waves are directly
proportional​