The Figures Below Represent Interference Fringes

question 41

Multiple Choice

The figures below represent interference fringes. The distances from the screen to the slits is the same for each figure, and the planes of the screen and the slits are parallel. In each figure the spacing d between the slits is the same. Which figure(s) represent(s) slits illuminated with light of the shortest wavelength λ? The white spaces represent the interference maxima.

• A)I.
• B)II.
• C)III.
• D)IV.
• E)V.

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