The yellow colour in NaCl crystal is due to ……………..
A. excitation of electrons in F centers
B. reflection of light from CF ion on the surface
C. refraction of light from Na+ ion
D. all of the above
Answer:A
The yellow colour in NaCl crystal is due to ……………..
A. excitation of electrons in F centers B. reflection of light from CF ion on the surface C. refraction of light from Na+ ion D. all of the above