Question

The property which is not of an electromagnetic wave travelling in free space is that:

विकल्प

• They are transverse in nature.

• The energy density in electric field is equal to energy density in magnetic field.

• They travel with a speed equal to.

• They originate from charges moving with uniform speed.

Answer 1

They originate from charges moving with uniform speed.

Explanation:

Electromagnetic waves are produced by accelerating charges, not by charges moving with uniform velocity. They are transverse waves, and in free space, the energy is equally shared between electric and magnetic fields. Also, they travel with speed ccc in a vacuum.