PHYSICS 10 SCIENCE · 2026–27 · C · Constructed responses · QUESTION 20.3 · EM p. 184–185

Why can gamma radiation harm living tissue even though it does not change the number of protons or neutrons in a nucleus?

گاما اشعاع مرکزے کے پروٹون یا نیوٹران کی تعداد بدلے بغیر بھی زندہ بافتوں کو نقصان کیوں پہنچا سکتی ہے؟

Solution & explanation

A gamma photon carries energy and can ionise matter through interactions. Chemical and DNA damage does not require changing the original nucleus’s proton count.

Independent study answer. Original textbook ↗ · English-medium printed page 184–185.