Question

The quantity $\frac{e^{2}}{2h\epsilon_{0}c}$ has a value(a) $\frac{1}{137}ms^{-1}$(b) $\frac{2}{137}ms^{-1}$(c) $\frac{1}{137}$(d) $\frac{2}{137}$

Answer 1

Hello Friend

The answer of u r question is

Option.B

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Answer 2

HERE IS YOUR ANSWER :-

Option No. B

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