Q. In Young’s experiment, fringe width increases if

यंग के प्रयोग में, फ्रिंज की चौड़ाई बढ़ जाती है यदि

Distance between slits increases
स्लिटों के बीच की दूरी बढ़ जाती है

Wavelength decreases
तरंगदैर्ध्य घट जाती है

Screen is moved closer
स्क्रीन को करीब ले जाया गया है

Wavelength increases
तरंगदैर्घ्य बढ़ता है

In Young’s double slit experiment, fringe width (β) is given by:

\beta = \frac{\lambda D}{d}

Where:

So, if wavelength increases, the fringe width increases proportionally.

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