To determine the wavelength of He-Ne laser light using single slit diffraction
1. The main principle used in Interference is ____?
2. When Two waves of same amplitude add constructively, the intensity becomes ____?
3. How does changing the distance between the single slit and the screen affect the diffraction pattern?
4. Which parameter primarily determines the width of the central maximum in the diffraction pattern obtained from a single slit?
5. What is the primary cause of the diffraction pattern observed in a single-slit experiment with a He-Ne laser?