PHYSICS 10 SCIENCE · 2026–27 · A · Multiple choice · QUESTION 12.5 · EM p. 43

Is a wavefront a crest spacing, high-pressure region, a line of points in phase, or the edge of a medium?

محاذِ موج قموں کا فاصلہ، زیادہ دباؤ، ہم فیز نقاط کا خط یا واسطے کا کنارہ ہے؟

Solution & explanation

A line, or in three dimensions a surface, of equal phase. Crests can be wavefronts, but crest spacing is wavelength.

Independent study answer. Original textbook ↗ · English-medium printed page 43.