Problem: What happens to a pattern of diffraction when you:a. Increase the wavelength (for double slit and single slit pattern)?b. Slits are moved apart (for double-slit pattern)?c. Each slit is widened (for single slit pattern)?

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Double slit diffraction approximated with:

ym = mλD/d (d is separation between slits)

Single slit diffraction:

ym = mλD/d (d is width of slit)

(a) Wavelength increases: ym  is directly proportional to λ, so...

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Problem Details

What happens to a pattern of diffraction when you:

a. Increase the wavelength (for double slit and single slit pattern)?

b. Slits are moved apart (for double-slit pattern)?

c. Each slit is widened (for single slit pattern)?