Light containing two different wavelengths passes through a diffraction grating with 1,250 slits/cm. On a screen 17.5 cm from the grating, the third-order maximum of the shorter wavelength falls midway between the central maximum and the first side maximum for the longer wavelength. If the neighboring maxima of the longer wavelength are 8.44 mm apart on the screen, what are the wavelengths in the light

Explanation:

From the question we are told that:

Diffraction grating

Distance b/w Screen and grating length

Distance b/w neighboring maxima and Screen

Generally the equation for grating space is mathematically given by

Generally the equation for small angle approximation is mathematically given by

Therefore for longest wavelength

Therefore the third order maximum equation for the shorter wavelength as

The wavelengths in the light is given as

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therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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what is the actual question though?