MHT CET Physics question

Physics Nuclei MHT CET

The mass number of a nucleus is

(A)Always greater than its atomic number
(B)Equal to its atomic number
(C)Sometimes higher than the atomic number and some times equalCorrect
(D)Always less than the atomic number

Answer: (C)

Solution

with ; for most nuclei , but for ordinary hydrogen

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Question ID VK-084577