2. Transfer of energy from one point to other without transfer
field is called wave.
Transfer of energy from one point to other of wave is called
wave motion.
Electromagnetic waves
Mechanical waves
Matter waves
3. Types of wave:-
One dimensional(1D) e.g. waves produce by strings.
Two dimensional(2D) e.g. waves produce.
Three dimensional(3D) e.g. sound waves.
1D 2D 3D
4. Pulse:-
Wave front:-
Ray
Pulse is a single disturbance between two particle
A surface containing points affected in same way by a wave at
a given time is called wave front
Aline normal to the wave front indicating the direction of
motion of wave is called wave
Wave front
5. Plane waves
In the physics of wave propagation , plane wave(also spelled
as plane wave) is a wave whose wave front(surface of
constant phase) are infinite parallel phase
e.g.
Electromagnetic wave in a far field region of an antenna is a plane wave
It is a wave that has equal amplitude in two dimensional ,plane and line. If
one is modeling thing in two dimensions
e.g.
Water wave height, sound wave pressure and electric field intensity it turn
out spherical wave far far away from the source looks like a plane wave the
curvature become so small
7. Basic of plane wave:-
𝐸 = 𝐸0 𝑒−𝛼𝑧
cos 𝑤𝑡 − 𝐵𝑧 𝑎 𝑥
H= 𝐻0 𝑒−𝛼𝑧
cos 𝑤𝑡 − 𝐵𝑧 𝑎 𝑌
E0 is the amplitude of the wave
𝛼 is a attenuation constant
It is a wave so cos
W is a angular frequency in which wave
traveling
B is a plane constant
Z is the direction of propagation
𝑎 𝑥 is a direction of electric field variation
H0 is the amplitude of the wave
𝛼 is a attenuation constant
It is a wave so cos
W is a angular frequency in which wave
traveling
B is a plane constant
Z is the direction of propagation
𝑎 𝑦is a direction of magnetic field variation
11. One two and three dimension:-
One dimension:-
(Object have only length no height and thickness) line (length) is in one
dimension if
X axis
Two dimension:-
(Object have only length and height no thickness) area is in two dimension
(plane) if
