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Wave Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsWave Optics3 Marks
Question
In a single slit diffraction experiment, light of wavelength $\lambda$ illuminates the slit of width ‘a’ and the diffraction pattern is observed on a screen.
  1. Show the intensity distribution in the pattern with the angular position $\theta.$
  2. How are the intensity and angular width of central maxima affected when,
  1. Width of slit is increased,
  2. Separation between slit and screen is decreased?
✓

Answer

  1.  

  1.  
  1. Intensity increases, angular width decreases.
  2. Intensity increases, no effect on angular width.

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