Question

17.An experimenter gathers data with their spectrometer on a n emission source. Their spectrometer has a diffraction grating with 290 lines/mm. The following table lists the measured angles at which they found diffracted light fo r the given diffraction order, m. m 1 m 2 22.12 A. What are the average wavelengths measured for the 4 colors? 16.98 7.53 15.18 7.11 14.36 10.24 20.93 15.79 6.93 13.99 8.38 7.82 B. What gas source would this be? 6.55-1 -13.17-

Answer 1

22. 2 (L.98 to. 1st cola; 3 1-S3 2o 43 (S.4, 9 13-99 6.93 6.s S 3.45x10-em = 13.3nm debt :- 2. tou finst cale

m- att 464.41 W * 3.YS X1。-sx ainlis.?:9 λ = 63 nm 592.8°+y69.YItS 3.77 ty67.39 etb - YS m 0

2 702 nm tebt 2. 2 3 3.02 Vn 410.34 nw