KCET 2022 Physics Solved Paper

Question : 39 of 60

Marks: +1, -0

In case of Fraunhoffer diffraction at a single slit the diffraction pattern on the screen is correct for which of the following statements?

Central dark band having uniform brightness on either side.
Central bright band having dark bands on either side.
Central dark band having alternate dark and bright bands of decreasing intensity on same side.
Central bright band having alternate dark and bright bands of decreasing intensity on either side.

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