Light of wavelength 515.00 nm is incident normally on a diffraction grating, and the second-order maximum is observed to be 22.0° from the nomal. How many slits per millimeter are marked on the grating? number of slits per milimeier:

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Q: 1. A 27kg rock is positioned 7.5m West of a 95kg person. a. Determine the gravitational force that…

A: gravitatuonal force = Gm₁m₂/r²