A) \[1.57\times {{10}^{-24}}kg\]
B) \[1.66\times {{10}^{-24}}kg\]
C) \[1.99\times {{10}^{-23}}kg\]
D) \[1.99\times {{10}^{-27}}kg\]
Correct Answer: D
Solution :
amu represents atomic mass unit. It is used in place of unified mass unit. 1 amu = 1 Avogram = 1 Aston = 1 Dalton 1 amu = \[\frac{1}{12}\times \]mass of C-12 atom \[=\frac{1}{12}\times 1.9924\times {{10}^{-23}}g\] \[=1.66\times {{10}^{-24}}g=1.66\times {{10}^{-27}}kg\]
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