Would radiation with a wavelength 0.81 nm or a frequency of 5.6x1011 s-1 be detected by an X-ray detector? Only the radiation with a wavelength 0.81 nm can be observed by an X-ray detector Only the radiation with a frequency of 5.6x 1011 s-1 can be observed by an X-ray detector. Both types of radiation can be observed by an X-ray detector. Neither type of radiation can be observed by an X-ray detector. Submit My Answers Give Up What distance does electromagnetic radiation travel in 0.45 ps? Express your answer using two significant figures.