Question

which of the following is false for electromagnetic spectrum​

Answer 1

Answer:

In electromagnetic waves,

1. The electric field and magnetic field varies continuously with time and have maxima and minima at same place and at same time.

2. Both electric and magnetic field have same energy.

3. both electric and magnetic field are perpendicular to each other and perpendicular to direction of propagation.

4. These waves don't require any material medium to propagate, they can propagate in vacuum as well.