Electromagnetic Waves

Consider an electromagnetic wave propagating in vacuum. Choose the correct
statement :

Arrange the following electromagnetic
radiations per quantum in the order of
increasing energy :
A : Blue light           B : Yellow light
C : X-ray                 D : Radiowave.

For plane electromagnetic waves propagating in the z direction, which one of the following combination gives the correct possible direction for \(\overrightarrow E\) and \(\overrightarrow B\) field respectively ?

An electromagnetic wave travelling in the x-direction has frequency of 23 \(\times\) 1014 Hz and electric field amplitude of 27 Vm\(-\)1. From the options given below, which one describes the magnetic field for this wave ?

Match List I (Wavelength range of electromagnetic spectrum) with List II. (Method of production of these waves) and select the correct option from the options given below the lists.

If microwaves, X rays, infracted, gamma rays, ultra-violet, radio waves and visible parts of the electromagnetic spectrum by M, X, I, G, U, R and V, the following is the arrangement in ascending order of wavelength :

A lamp emits monochromatic green light uniformly in all directions. The lamp is 3% efficient in converting electrical power to electromagnetic waves and consumes 100 W of power. The amplitude of the electric field associated with the electr...

An electromagnetic wave of frequency 1 \(\times\) 1014 hertz is propagating along z - axis. The amplitude of electric field is 4 V/m. If \(\in\)0 = 8.8 \(\times\) 10\(-\)12 C2/N-m2, then average energy density of electric field will ...

Match the List - I (Phenomenon associated with electromagnetic radiation) with List - II (Part of electromagnetic spectrum) and select the correct code from the choices given the lists :

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Match List - \(1\) (Electromagnetic wave type ) with List - \(2\) (Its association/application) and select the correct option from the choices given below the lists:

During the propagation of electromagnetic waves in a medium :

The magnetic field in a travelling electromagnetic wave has a peak value of \(20\) \(n\)\(T\). The peak value of electric field strength is :

An electromagnetic wave in vacuum has the electric and magnetic field \(\mathop E\limits^ \to\)and \(\mathop B\limits^ \to\), which are always perpendicular to each other. The direction of polarization is given by $$\mathop X\limits^ \t...

The \(rms\) value of the electric field of the light coming from the Sun is \(720\) \(N/C.\) The average total energy density of the electromagnetic wave is

A radiation of energy \(E\) falls normally on a perfectly reflecting surface. The momentum transferred to the surface is

An electromagnetic wave of frequency \(v=3.0\) \(MHz\) passes from vacuum into a dielectric medium with permittivity \(\in = 4.0.\) Then

Electromagnetic waves are transverse in nature is evident by

Which of the following are not electromagnetic waves?