MHT CET · Physics · Wave Optics
In the experiment of diffraction due to a single slit, if the slit width is decreased, the width of the central maximum
- A becomes zero.
- B does not change.
- C increases.
- D decreases.
Answer & Solution
Correct Answer
(C) increases.
Step-by-step Solution
Detailed explanation
Width of the central maxima \(=\mathrm{W}=\frac{\lambda \theta}{\mathrm{d}}\)
Thus, the slit width is inversely proportional to the width-of the central maximum.
Hence, when the slit width is decreased, the width of the central maxima increases.
Thus, the slit width is inversely proportional to the width-of the central maximum.
Hence, when the slit width is decreased, the width of the central maxima increases.
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