A) 5
B) 30
C) 35
D) 28
Correct Answer: A
Solution :
\[{{m}_{0}}=7M=35,{{m}_{e}}=?\] From the formula, \[M={{m}_{0}}\times ={{m}_{e}}\] \[35=7\times {{m}_{e}}\] \[{{m}_{e}}=5\]You need to login to perform this action.
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