Question

Why do any wave needs a medium to travel?

Answer 1

Answer:

Sound needs a material medium for their propagation like solid, liquid or gas to travel because the molecules of solid, liquid and gases carry sound waves from one point to another. Sound cannot progress through the vacuum because the vacuum has no molecules which can vibrate and carry the sound waves

Explanation:

Answer 2

Answer:

yes waves need medium travel

there are there types of waves

1. alpha waves

2. beta waves

3. Gamma waves

Explanation:

alpha is positive + , beta is negative

where as gamma is no charge

hopes this is helpful to u ️