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(Figure 1) shows the fringes observed in a double-slit interference experiment w

ID: 1648958 • Letter: #

Question

(Figure 1) shows the fringes observed in a double-slit interference experiment when the two slits are illuminated by white light. The central maximum is white, but as we move away from the central maximum, the fringes become less distinct and more colorful. What is special about the central maximum that makes it white? Explain the presence of colors in the outlying fringes. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Light of colors has a maximum at the of the pattern, so that central maximum looks white. Spacing of the other maxima on the wavelength, so different colors will have bright fringes

Explanation / Answer

Light of ALL colours has a maximum at the CENTER of the pattern, so that central maximum looks white.

Spacing of the other maxima DEPENDS on the wavelength, so different colours will have bright fringes AT DIFFERENT PLACES.

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