please solve it correctly and thank you so much specially ( why is central fringe white ? )

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answerhappygod
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please solve it correctly and thank you so much specially ( why is central fringe white ? )

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please solve it correctly and thank you so much specially (why is central fringe white ? )
Please Solve It Correctly And Thank You So Much Specially Why Is Central Fringe White 1
Please Solve It Correctly And Thank You So Much Specially Why Is Central Fringe White 1 (24.84 KiB) Viewed 29 times
6. [5A diffraction Grating] White light containing wavelengths from 410 nm to 750 nm falls on a grating with 8500 lines/cm. How wide is the first-order spectrum on a screen 2.30 m away? Why is central fringe white? (a) Second-order rainbow First-order rainbow Central white First-order rainbow Second-order rainbow (b)
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