Statement -1: The atoms of different elements having same mass number but different atomic number are known as isobars.Statement -2: The sum of protons and neutrons in isobars is always different.
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a
Both statements are correct
b
Statement 1 correct Statement 2 incorrect
c
Statement 1 incorrect Statement 2 correct
d
Both statements are incorrect
answer is B.
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Detailed Solution
N 715 and O 815 are isobars ;Sum of protons and neutrons i.e mass number in isobars is always the same.