Isobars have two main meanings: atomic isobars are atoms of different elements with the same mass number (total number of protons and neutrons), and meteorological isobars are lines on a map connecting places with the same atmospheric pressure. For example, Argon-40 ($^{40}$Ar) and Calcium-40 ($^{40}$Ca) are atomic isobars because they both have a mass number of 40 but different atomic numbers.
When a nucleus emits beta particles, the parent and daughter nuclei are ______?
Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.
Question context
This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.