dual nature of electromagnetic radition
Answers
Answer:
EM radiation is so-named because it has electric and magnetic fields that simultaneously oscillate in planes mutually perpendicular to each other and to the direction of propagation through space. Electromagnetic radiation has the dual nature: its exhibits wave properties and particulate (photon) properties.
Explanation:
PARTICLE AND WAVE - DEFINITION
Wave
Particle
A wave is described as a vibration or disturbance having a certain energy that can be either moving or stationary.
A particle is a physical entity which consists of a certain shape, physical dimensions and mass. It can either be moving or stationary. There is certainty in the position in space.
Every wave has a frequency associated with it.
Particles do not have a frequency associated with it
DUAL NATURE OF MATTER - RESULT
Matter can exist as a particle as well as a wave.
The wave-like nature of light explains most of its properties:
Reflection/refraction
Diffraction/interference
Doppler effect
This dualism to the nature of light is best demonstrated by the photoelectric effect, where a weak UV light produces a current flow (releases electrons) but a strong red light does not release electrons no matter how intense the red light.
CHARACTERISITCS OF MATTER WAVE - DEFINITION
They represent the resultant of group of waves
They represent, the wave associated with a particle if the constituents are particles and represent the waves associated with photons if it is an electromagnetic radiation.
The wavelength associated with the particles λ = h/p where h is Planks constant, p is the momentum associated with the particle. If the de-Broglie wavelength associated with electromagnetic radiation λ is given by hc/E where c is the velocity of light and E is the energy associated with the photon.
The amplitude of these matter waves being very small and being the resultant of group of waves the amplitude determined of a de-Broglie wave only gives us the probability of occurrence of the constituent particle at a given position and at a given time.
The velocity associated with the electromagnetic radiation remains constant for all the wave lengths while the velocity of matter wave differs under different conditions associated with it.
DUAL NATURE OF EM WAVES - LAW
EM radiation is so-named because it has electric and magnetic fields that simultaneously oscillate in planes mutually perpendicular to each other and to the direction of propagation through space. Electromagnetic radiation has the dual nature: its exhibits wave properties and particulate (photon) properties.