8. Suppose that you have a laser of wavelength λ = 450 nm, and a double slit with a slit separation of d = 0.25 mm. You plan to place the double slit exactly L = 1.00 m away from a viewing screen, but you want to predict the positions of the bright fringes in advance. First, let's check if the small-angle approximation applies to this situation. a. Use mλ = d sine to calculate the angle 8, for the first order (m= 1) bright fringes: b. Calculate sin 0₁: c. Calculate tan 0₁: 1

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Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.