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4.3 Exercise 8

Avg difficulty 2.5

When a monochromatic light of wavelength 430 nm incident on a double slit of slit separation 5μm5 \mu \text{m}, there are 11 interference fringes in its central maximum. How many interference fringes will be in the central maximum of a light of the same wavelength and slit widths, but a new slit separation of 4μm4 \mu \text{m}?

OpenStax University Physics Volume 3, 4.3 Double-Slit Diffraction, exercise 8

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.