Browse Questions

# The first order reflection (n = 1) from a crystal of the X-ray from a copper anode tube ( = 1.54 $A^{\large\circ}$) occurs at an angle of $45^{\large\circ}$. What is the distance between the set of plane causing the diffraction?

0.905 $A^{\large\circ}$
Hence (C) is the correct answer.