4(d)
(i) What are isobars?
(ii) Give one example of isobars.
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(i) Isobars are the atoms of same mass number but different atomic number.
(ii) $_{11}^{23}\text{Na}$ and $_{12}^{23}\text{Mg}$ are isobars.
(i) What are isobars?
ICSE Class 10 Physics PYQ · 2018 Paper · Section I