Electromagnetic...

Which wave characteristic describes the product of the frequency and the wavelength?

Who first proposed the light as electromagnetic wave ?

In electromagnetic wave, according to Maxwell, changing electric field gives _______.

In an electromagnetic wave

Solar radiation is

In a parallel C-R network with a voltage source, the current flowing through resistor is _______ current and that flowing through the capacitor is ________ current.

The frequency of electromagnetic wave in free space is $$2$$ MHz. When it passes through a region of relative permittivity $$\varepsilon_r=4.0$$, then its wave length __________ & frequency ______________.

$$X-$$ray falling on a material 

An electromagnetic radiation has an energy of 13.2 keV. Then the radiation belongs to the region of

If the directions of electric and magnetic field vectors of a plane electromagnetic wave are along positive $$y$$-direction and positive $$z$$-direction respectively, then the direction of propagation of the wave is along: