Question

The e/m value of protons is
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Answer 1

Answer:

μ = mp/me = 1836. 15267343(11). The number enclosed in parentheses is the measurement uncertainty on the last two digits. The value of μ is known to about 0.1 parts per billion.

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Answer 2

Explanation:

Because this is a ratio of like-dimensioned physical quantities, it is a dimensionless quantity, a function of the dimensionless physical constants, and has numerical value independent of the system of units, namely: u = m,/m, = 1836. 15267343(11). %3D