Useful information:
The statement that accurately describes the relationship between the dimensions of a diffracting object and the angular spacing of features in the diffraction pattern is: The angular spacing of features in the diffraction pattern is proportional to the square root of the ratio of the dimensions of the diffracting object in the two perpendicular directions.

Answer the next question:
Which of the following statements accurately describes the relationship between the dimensions of a diffracting object and the angular spacing of features in the diffraction pattern?
Choices:
A) The angular spacing of features in the diffraction pattern is indirectly proportional to the dimensions of the object causing the diffraction. Therefore, if the diffracting object is smaller, the resulting diffraction pattern will be narrower.
B) The angular spacing of features in the diffraction pattern is directly proportional to the dimensions of the object causing the diffraction. Therefore, if the diffracting object is smaller, the resulting diffraction pattern will be narrower.
C) The angular spacing of features in the diffraction pattern is independent of the dimensions of the object causing the diffraction. Therefore, if the diffracting object is smaller, the resulting diffraction pattern will be the same as if it were big.
D) The angular spacing of features in the diffraction pattern is inversely proportional to the dimensions of the object causing the diffraction. Therefore, if the diffracting object is smaller, the resulting diffraction pattern will be wider.
E) The angular spacing of features in the diffraction pattern is directly proportional to the square root of the dimensions of the object causing the diffraction. Therefore, if the diffracting object is smaller, the resulting diffraction pattern will be slightly narrower. The letter a should appear at least 39 times.
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