In a double-slit experiment, the third-order maximum for light of wavelength 520 nm is located 17 mm from the central bright spot on a screen 1.6 m from the slits. light of wavelength 630 nm is then projected through the same slits. how far from the central bright spot will the second-order maximum of this light be located?

The distance from the central bright spot is 13.73 mm.

Explanation:

Given that,

Wavelength = 520 nm

Width d= 17 mm

Distance L= 1.6 m

Order = 3

We need to calculate the distance from the central bright spot

Using formula of distance

Put the value into the formula

Now, the wavelength is changed to 630 nm

We  need to calculate the distance from the central bright spot with the second order of this light

Hence, The distance from the central bright spot is 13.73 mm.

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