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Thermionic Emission and Radioactivity — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsThermionic Emission and Radioactivity2 Marks
Question
What are isobars? Give one example.
✓

Answer

Isobars: the atoms of different elements which have the same mass number $A$, but differ in their atomic number $Z$ are called isobars.
Example:
$
{ }_{11}^{23} Na
$
\&
$
{ }_{12}^{23} Mg
$

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