1.

Identify the expression for Bragg s law from the following.

A. 2d cos u2061 =n
B. 2d sin u2061 =n
C. 2d sin = ( frac {n}{ lambda } )
D. 2d cos u2061= ( frac {n}{ lambda } )
Answer» C. 2d sin = ( frac {n}{ lambda } )


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