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Wave Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
In the experiment of diffraction at a single slit, if the slit width is decreased, the width of the central maximum
  • ✓
    Increases in both Fresnel and Fraunhofer diffraction
  • B
     Decreases both in Fresnal and Fraunhofer diffraction
  • C
    Increases in Fresnel diffraction but decreases in Fraunhofer diffraction
  • D
    Decreases in Fresnel diffraction but increases is Fraunofer diffraction.
✓

Answer

Correct option: A.
Increases in both Fresnel and Fraunhofer diffraction
 Increases in both Fresnel and Fraunhofer diffraction

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