The wavelength of a certain x ray is 0.15A.express in meter Share with your friends Share 0 Tejan.Gupta answered this Dear Student,1Ao= 10-10mSo, 0.15AO= 0.15 × 10-10mRegards -2 View Full Answer Laasya Priya answered this 1A°= 10^-10 metre => 0.15 A°= 0.15 x 10^-10 = 1.5 x 10^-11 metre 1