Question

Which of the following is true about light waves and sound waves?(1 point)
Responses

Sound waves and light waves travel at the same speed through different materials.
Sound waves and light waves travel at the same speed through different materials.

Light waves can move at different speeds, but sound waves always move at the same speed.
Light waves can move at different speeds, but sound waves always move at the same speed.

Sound waves can move at different speeds, but light waves always move at the same speed.
Sound waves can move at different speeds, but light waves always move at the same speed.

They each travel at different speeds when moving through different materials.
They each travel at different speeds when moving through different materials.
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Answer 1

They each travel at different speeds when moving through different materials.

Both sound and light change speed depending on the medium (sound depends on the material's density and elasticity; light slows in materials with refractive index >1, though its speed in vacuum is a constant c).