White light is passed through a diffraction grating that has the spacing between the slits of 4x10^6m. on each side of the white central maximum, a spectrum of colors is observed. what is the wavelength of the light observed at an angle of 7.00° in the first-order bright fringes?

The wavelength of the light is 487477.37 m.

Explanation:

Given that,

Spacing between the slits

Angle = 7.00°

We need to calculate the wavelength

Using formula of wavelength

Where, d = distance between the slits

n = order bright fringes

Put the value into the formula

Hence, The wavelength of the light is 487477.37 m.

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