A unit dislocation splits into two partial dislocations. The correct combination of the Burgers vectors of the partial dislocations for a given unit dislocation having Burgers vector $$\frac{a}{2}\left[ {1\overline 1 0} \right]$$
A. $$\frac{a}{6}\left[ {2\overline 1 1} \right]{\text{and}}\frac{a}{6}\left[ {1\overline 2 \overline 1 } \right]$$
B. $$\frac{a}{6}\left[ {1\overline 1 2} \right]{\text{and}}\frac{a}{6}\left[ {1\overline 2 \overline 1 } \right]$$
C. $$\frac{a}{6}\left[ {11\overline 2 } \right]{\text{and}}\frac{a}{6}\left[ {2\overline 1 \overline 1 } \right]$$
D. $$\frac{a}{6}\left[ {211} \right]{\text{and}}\frac{a}{6}\left[ {12\overline 1 } \right]$$
Answer: Option A
This Question Belongs to Metallurgical Engineering >> Physics Of Metals In Metallurgy
When the wavelength of the incident X-Tay increases the angle of diffraction
A. decreases
B. increases
C. remains constant
D. shows no systematic variation
A. Burger vector and the dislocation line are Parallel to each other for screw dislocations
B. Burger vector and the dislocation line are perpendicular to each other for edge dislocations
C. Screw dislocations glide parallel to its Burger vector
D. Edge dislocations glide parallel to its Burger Vector
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