Wave Motion

An electromagnetic wave is travelling in a medium with a velocity $\overrightarrow{v}=v\widehat{i}$ . The electric field oscillations, of this electromagnetic wave wave, are along the y – axis.

(a) Identify the direction in which the magnetic field oscillations are taking place, of the electromagnetic wave wave.

(b) How are the magnitudes of the electric and magnetic fields in the electromagnetic wave related to each other?

Which one of the following is an example of a one-dimensional wave?

Which one of the following principles can be used to explain propagation of wave in two or three dimension?

For a three-dimensional wave of function $\psi \left(x, y, z, t\right)$ and wave velocity $v$, the equation for the wave can be given by

Which of the following transverse waves requires a medium for propagation.

A stretched string fixed at both ends has $\mathrm{n}$ nodes then the length of the string in terms of wavelength is 

Which waves are used in sonography?

 What are gravitational waves?

What is the frequency of capillary(water) waves?

Assertion : For stationary wave general equation is $2\mathrm{Asin}\left(\mathrm{Bt}\right)\sin \left(\mathrm{Kx}\right)$

Reason : For progressive wave general equation is $A\sin (Bt\pm kx)$

Which of the following has the longest wavelength?

Long distance short wave radio broadcasting uses?

An antenna behaves as resonant circuit only when its length is

AM is used for broadcasting because 

In an amplitude modulated wave for audio frequency of $500$ $\mathrm{cycles} {\mathrm{s}}^{-1}$ the appropriate carrier frequency will be -

The maximum range of ground of surface wave propagation depends on-

The radio waves of frequency $300 \mathrm{MHz}$ to $3000 \mathrm{MHz}$ belongs to -

The frequencies of electromagnetic waves employed in space communication vary over a range of -

In amplitude modulation, carrier wave frequencies are:

Which of the following statements is not correct for infrasonic wave?