properties of e.m waves
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1. em waves travel with the speed of light in vacuum.
2.the electric and magnetic field of em waves are perpendicular to each other.
3.em waves carry momentum and hence can exert pressure on surface which is known as radiation pressure.
4.em waves obey principle of superposition.
5.the fundamental sources of all em waves are accelerating electric charges.
2.the electric and magnetic field of em waves are perpendicular to each other.
3.em waves carry momentum and hence can exert pressure on surface which is known as radiation pressure.
4.em waves obey principle of superposition.
5.the fundamental sources of all em waves are accelerating electric charges.
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