A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time, `E = 6.3 hat j` V/m. What is B at this point?

A plane electromagnetic wave of frequency 52 MHz travels in free space along the x - direction. At a particular point in space and time, vec(E )=8.4hat(k)V//m . What is vec(B) at this point ?

A plane electromagnetic wave travels in vacuum along z-direction. What can you say about the directions of its electric and magnetic field vectors? If the frequency of the wave is 30 MHz, what is its wavelength?

A plane electromagnetic wave travels in vacuum along z - direction. What can you say about the directions of its electric and magnetic field vectors ? If the frequency of the wave is 30 MHz, what is its wavelength ?

A plane electromagnetic wave propagating along x - direction can have the following pairs of vec(E ) and vec(B) .

A plane progressive wave of frequency 25 Hz, amplitude 2.5 xx 10^(-5) m and initial phase zero moves along the negative x-direction with a velocity of 300 m/s. A and B are two points 6 m apart on the line of propagation of the wave. At any instant the phase different between A and B is phi . The maximum difference in the displacements of particle at A and B is Delta

A plane electromagnetic wave travelling along X - direction has electric field of amplitude 300 Vm^(-1) , directed along the Y - axis (a) What is the intensity of the wave ? (b) If the wave falls on a perfectly absorbing sheet of area 3.0 m^(2) , at what rate is the momentum delivered to the sheet and what is the radiation pressure exerted on the sheet ? [epsilon_(0)=8.854xx10^(-12)C^(2)N^(-1)m^(-2), c=3xx10^(8)ms^(-1)]

Frequency of electromagnetic wave is 25MHz. The value of electric field intensity at any point at any time in wave in wave is 6.3 Vm^(-1) . The value of magnetic field at that point is …… Wb//m^(2) .

An electromagnetic wave travels in vacuum along z - direction : vec(E )=(E_(1)hat(i)+E_(2)hat(j))cos(kz-omega t) . Choose the correct options from the following :

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0 xx 10^(10) Hz and amplitude 48 V m^(–1) . (a) What is the wavelength of the wave? (b) What is the amplitude of the oscillating magnetic field? (c) Show that the average energy density of the E field equals the average energy density of the B field. [c = 3 xx 10^(8) m s^(-1).]

A transverse harmonic wave on a string is described by y(x,t) = 3.0 sin (36 t + 0.018x + pi//4) where x and y are in cm and t in s. The positive direction of x is from left to right (a) Is this a travelling wave or a stationary wave? If it is travelling what are the speed and direction of its propagation? (b) What are its amplitude and frequency? (c ) What is the initial phase at the origin ? (d) What is the least distance between two successive crests in the wave?