The first order reflection of the beam of X-ray from a given crystal occurs at `5^(@)`.At what angle will be the third order reflection?

The first -order reflection of a beam of X-ray from (200) face of NaCl occurs at an angle 6^(@)30,(d_(200)=a) , what is the wavelength of X-ray used (A^(@)) where d=((a)/sqrt(h^(2)+k^(2)+1^(2))) .

The first order reflection of a beam of X-rays of wavelength 1.54 Ã… from the (100) face of a crystal of the simple cubic type occurs at an angle of 11.29^(@) . Calculate the length of the unit cell.

The first - order diffraction os X- rays from a certain set of crystal planes occurs an angle of 11.8^(@) from the planes. If the planes are 0.281 nm apart, what is the wavelength of X- rays?

The first - order diffraction os X- rays from a certain set of crystal planes occurs an angle of 11.8^(@) from the planes. If the planes are 0.281 nm apart, what is the wavelength of X- rays?