A laser beam has intensity `2.5 xx (10^14)W (m^-2). Find the amplitudes of electric and magnetic fields in the beam.

A laser beam has intensity 4.0xx10^14Wm^-2 . Find the amplitudes of electric and magnetic fields in the beam.

A laser beam has intensity 3.0xx10^14Wm^-2 . Find the amplitudes of electric and magnetic fields in the beam.

A laser beam has intensity 2.5xx10^(14)W/(m^(2)) . Find the amptitude of electric field (in V/m) in the beam.

A beam has intensity 2.5xx10^(14)Wm^(-2) . The ratio of electric and magnetic fields in the beam is

A beam of light has intensity 2. 8xx 10^(14) W m^(-2) .Calculate the value of amplitude of electric field magnetic field of the beam .

Find the amplitude of electric and magnetic fields in parallel beam of light of intensity 4.0 Wm^(-2)

The intensity of the sunlight reaching the earth is 1380 W(m^-2). Assume this light to be a plane, monochromatic wave. Find the amplitudes of electric and magnetic field in this wave.

The intensity of light from a source is 500//pi W//m^(2) . Find the amplitude of electric field in the wave-

(a) Find the energy stored in a 90 cm length of a laser beam operating at 5mW . (b) Find the amplitude of the electric field in a parallel beam of light of intensity 8.85 W..m^(2) .

(i) Find the energy stored in a 90 cm length of a laser beam operating at 6 mW . (ii) Find the amplitude opf electric field in a parallel beam of light of intensity 17.7 W//m^(2) .