Q. In interference, fringe width is directly proportional to

व्यतिकरण में, फ्रिंज की चौड़ाई सीधे आनुपातिक होती है

Wavelength
वेवलेंथ

Inverse of wavelength
तरंग दैर्ध्य का व्युत्क्रम

Square of wavelength
तरंग दैर्ध्य का वर्ग

Cube of wavelength
तरंग दैर्ध्य का घन

As per the formula:

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

Fringe width increases with wavelength (λ). So, longer wavelengths produce wider fringes.

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