Question

State the properties that are common to all electromagnetic radiations.

Answer 1

1. They travel with the same speed of c = 3 × 10⁸ m/s in air or vacuum.
2. They are transverse waves as they exhibit property of polarisation.
3. They can undergo reflection, refraction, diffraction and interference.
4. They can transfer energy from one place to another.
5. They are not deflected from their path in electric and magnetic fields.
6. They can propagate without a physical medium.