A light wave of wavelength $\lambda$ and frequency $f$ is incident on a double-slit apparatus. If the dis ance between the slits is $d$ and the screen is at a dis ance $D$ from the slits, find the location of the $n^{th}$ bright fringe on the screen.

Question

A light wave of wavelength $\lambda$ and frequency $f$ is incident on a double-slit apparatus. If the dis	ance between the slits is $d$ and the screen is at a dis	ance $D$ from the slits, find the location of the $n^{th}$ bright fringe on the screen.

Accepted Answer

y_n = \frac{$ 2n-1 $ \lambda D}{2d}

Post Utme Unilorin 2022 Physics Question 37

A light wave of wavelength $\lambda$ and frequency $f$ is incident on a double-slit apparatus. If the dis\tance between the slits is $d$ and the screen is at a dis\tance $D$ from the slits, find the location of the $n^{th}$ bright fringe on the screen.

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