The Ions In A Crystal Are Well Arranged | |
The Wavelengths Of X-Rays Are Of The Same Order Of Magnitude As The Separation Between Atoms In A Crystal | |
The Penetration Power Of X-Rays Is High In A Diffraction Grating | |
The Lines In A Diffraction Grating Cannot Reflect X-Rays. |
X-Rays Are Diffracted By A Crystal But Not By A Diffraction Grating Because______