Part A There are two categories of ultraviolet light. Ultraviolet A (UVA) has a wavelength ranging from 320 nm to 400 nm. It is necessary for the Find the frequency range of UVA. Enter the minimum and maximum values of the range. production of vitamin D. UVB, with a wavelength in Enter your answers in hertz separated by a comma. vacuum between 280 nm and 320 nm, is more dangerous because it is much more likely to cause skin cancer. AEQ ? fmin, fmax = Hz Submit Request Answer V Part B Find the frequency range of UVB. Enter the minimum and maximum values of the range. Enter your answers in hertz separated by a comma. AED ? fmin, fmax = HzV PartC What is the range of the wave numbers for UVA? Enter the minimum and maximum values of the range. Enter your answers in radians per meter separated by a comma. Submit Fl_equest Answer V PartD What is the range of the wave numbers for UVB? Enter the minimum and maximum values of the range. Enter your answers in radians per meter separated by a comma.