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प्रश्न
How are electric vector `(vec "E")`, magnetic vector `(vec "B")` and velocity vector `(vec "C")` oriented in an electromagnetic wave?
उत्तर
The electric field `(vec"E")`, magnetic field vector `(vec "B")` and velocity vector `(vec"C")` are mutually perpendicular to each other.
`"E"/"B" = "C"`
संबंधित प्रश्न
Arrange the following electromagnetic wave in the order of their increasing wavelength:
(a) γ- rays
(b) Microwaves
(c) X-rays
(d) Radio waves
Write the expression for speed of electromagnetic waves in a medium of electrical permittivity ε and magnetic permeability μ.
Which of the following is false for electromagnetic waves.
The electric and magnetic fields of an electromagnetic wave are ______.
Give two uses of IR radiation.
Velocity of plane electromagnetic waves in vacuum equals ______.
Which of the following electromagnetic radiations has the smallest wave length?
Which of the following statement is NOT true about the properties of electromagnetic waves?
An electromagnetic wave is produced by a charge ______.
Name the electromagnetic wave/radiation which is used to study crystal structure.
