CAIE IGCSE Physics 3.4.4 A Medium Is Needed to Transmit Sound Questions

Practise explaining why sound needs matter to travel, using contexts such as space, the Sun and comparisons with light, and apply the idea to mechanical wave experiments.

Exam points

Explain that sound requires particles in a material medium, why sound cannot cross empty space from the Sun or Moon, and contrast mechanical sound with electromagnetic light that travels through a vacuum.

[Maximum number: 1]

We can see light from the Sun but we cannot hear any sound from it.

State the reason for this.

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CAIE IGCSE Physics 3.4.4 A Medium Is Needed to Transmit Sound Questions question 1