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An accuracy of 1 part in 10^2 has been obtained in precision mass measurements.

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An accuracy of 1 part in 10^2 has been obtained in precision mass measurements.

(a) True

(b) False

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My query is from Magnetic Deflection Mass Spectrometer topic in chapter Mass Spectrometer of Analytical Instrumentation

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Correct answer is (b) False

To explain I would say: An accuracy of 1 part in 10^9 has been obtained in precision mass measurements. Spectrographs with photographic reading are used for analysis of solids.

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