Problem: The spreading of waves behind an aperture isa) more for long wavelengths and less for short wavelengths.b) less for long wavelengths and more for short wavelengths.c) the same for long and short wavelengths.d) not discussed in this chapter.

FREE Expert Solution

The diffraction minima equation:

a sin θ=mλ

a is the aperture diameter.

λ is the wavelength. 

The aperture size should be less than the wavelength.

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Problem Details

The spreading of waves behind an aperture is

a) more for long wavelengths and less for short wavelengths.

b) less for long wavelengths and more for short wavelengths.

c) the same for long and short wavelengths.

d) not discussed in this chapter.

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