PHYSICS 10 SCIENCE · 2026–27 · C · Constructed responses · QUESTION 12.1 · EM p. 44

Why can sound not travel through a vacuum while light can? Explain using the concept of wave types.

آواز خلا میں سفر کیوں نہیں کر سکتی جبکہ روشنی کر سکتی ہے؟ موجوں کی اقسام کے تصور سے وضاحت کریں۔

Solution & explanation

Sound requires interacting material particles to carry a disturbance. Light is an electromagnetic disturbance and needs no material medium.

Independent study answer. Original textbook ↗ · English-medium printed page 44.