0 Grating e Collimator Light Source Telescope set to view first Right side "Straight through" position Left side You observe the spectrum of a spectral lamp using the spectrometer and a diffraction grating with 600 ± 2 lines per millimeter. You observe the second order (n=2) spectral line of a specific colour, on the left hand side you observe that ₁ = 10.2 ± 0.1° and then you move the spectrometer to the right hand side and observe the same spectral line (still n=2) at 0R = 95.6 ± 0.1 ° What is the angular displacement for the line? 0 = 42.7 What is the uncertainty in the angular displacement? Check What is the wavelength of the spectral line you have observed? Check nm What is the uncertainty in the wavelength? Check nm Sometimes the 0° reading on the measurement plate is found between Oд and OR. In this case you can not simply find 20 by finding the difference in the angles. Given the identical setup to that described above, but with the measurement plate shifted so that е₁ = 311.8° what value will now be measured for OR? BR = о Check