ATOMIC_SPECTROSCOPY-fcorrect

ATOMIC_SPECTROSCOPY-fcorrect - PHYS 205L Atomic...

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PHYS 205L Atomic Spectroscopy DATE: _____________________ Grade: NAME: ___________________________________ PARTNER’S NAME: ________________________ SECTION: ______________ INSTRUCTOR: __________ Reading of the spectrometer vernier Note that each degree on the lower angle scale is divided into to two parts – 30 minutes each. The vernier scale (the upper scale) has 30 divisions. Angles are read using the zero line of the vernier. If the zero line falls within the first half of the degree, then the vernier line that coincides with a line on the lower angle scale determine the number of minutes. For example, in the figure below, the zero line of the vernier indicates the the angle is 133 degrees and some minutes (less than 30 because it falls within the first half of the 134 th degree). The tenth line of the vernier coincides with a line on the lower scale. Therfore, the angle reading should be 133 degrees and 10 minutes (133 o 10’). If the zero line of the vernier falls within the second half of a degree, you must add 30’ to the vernier minute
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ATOMIC_SPECTROSCOPY-fcorrect - PHYS 205L Atomic...

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