Laser light of wavelength 632.8 nm passes through a diffraction grating with a line density of 5,300 lines/cm. The interference pattern is observed on a wall 0.9 meters in front of the diffraction grating.       Calculate the distance (in meters) between the 2nd bright spot the central maximum.

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Laser light of wavelength 632.8 nm passes through a diffraction grating with a line density of 5,300 lines/cm. The interference pattern is observed on a wall 0.9 meters in front of the diffraction grating.

 

 

 

Calculate the distance (in meters) between the 2nd bright spot the central maximum. 

 

Warning: the small angle approximation leads to significant errors for angles bigger than 10 degrees.

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