PHYSICS 10 SCIENCE · 2026–27 · A · Multiple choice · QUESTION 20.4 · EM p. 183–184

An unstable nucleus spontaneously transforms and emits radiation by fusion, fission, radioactive decay or isotope exchange?

غیر مستحکم مرکزہ خود اشعاع کے ساتھ فیوژن، فشن، تابکار شکست یا تبادلہ کرتا ہے؟

Solution & explanation

Radioactive decay.

Independent study answer. Original textbook ↗ · English-medium printed page 183–184.