Got this answer wrong already, need the correct one please

What is meant by the wavelength of UV light? Check all that apply. the distance between adjacent crest and trough of the wave the distance between two adjacent troughs of the wave twice the distance between adjacent crest and trough of the wave the distance between two adjacent crests of the wave Incorrect; Try Again; 4 attempts remaining Which of the following orbitals are possible in an atom? Check all that apply. 3s 4d 1s 1p Place the foliowing types of elactrocragnetic rodiaton in order of decreasing waretengths satelite radiacon, radiation from the yolow color from a candie, and radiation from the foc colof in nevan aghts. Rank from largest to smallest. To rank items as equivalent, overlap them