Q. In diffraction, if the slit is made narrower, the central maximum

विवर्तन में, यदि झिरी को संकरा बनाया जाता है, तो केंद्रीय अधिकतम होता है

Narrows
संकरी

Widens
चौड़ी

Disappears
गायब

Becomes sharper
तेज़ हो जाता है

In a single-slit diffraction pattern, as the slit becomes narrower, the central maximum becomes wider. This is because:

$\text{Width of central maximum} \propto \frac{\lambda}{a}$

So decreasing a (slit width) increases the spread of the diffraction pattern.

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