13. X-ray is discovered by Wilhelm Conra..-阿摩線上測驗
13. X-ray is discovered by Wilhelm Conrad Rontgen and widely used in different areas. About the X-ray, which one is
incorrect?
(A) The wavelength of X-ray is shorter than that of visible light.
(B) X-ray was discovered when Rontgen operated the cathodic tube.
(C) X-ray diffraction (XRD) over the crystal is a kind of inelastic scattering.
(D) The soft X-ray dissipates quickly at ambient.
(E) Bragg equation: 2dsinθ= nλ