Teaching MPPSC Assistant Professor Mock Test Series 2025 Physical Sciences Solid State Physics, Devices and Electronics
An X - ray beam of wavelength 0.16 nm is incident on a set of planes of a certain crystal. The first Bragg reflection is observed for an incidence angle of 30° . What is the corresponding inter planar spacing?
1
0.16 nm
2
0.67 nm
3
1.02nm
4
0.89 nm