Find at what angle will the next pair of bright spots occur

Reference no: EM13486880

A laser beam of unknown wavelength passes through a diffraction grating having 5460lines/cmafter striking it perpendicularly. Taking measurements, you find that the first pair of bright spots away from the central maximum occurs at ±15.2? with respect to the original direction of the beam.

What is the wavelength of the light? in nm

At what angle will the next pair of bright spots occur?

Reference no: EM13486880

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