358822 In a plane \(E M\) wave, the electric field oscillates sinusoidally at a frequency of \(5 \times {10^{10}}\;Hz\) and have an amplitude of \(50\,V{m^{ - 1}}.\) The total average energy density of the electromagnetic field of the wave is [Use \({\varepsilon _0} = 8.85 \times {10^{ - 12}}{C^2}/N{m^2}\;J\,]\)

358823 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 electromagnetic radiation at a distance of \(5\;m\) from the lamp will be nearly :-

358824 An \(EM\) wave radiates outwards from a dipole antenna, with \(E_{0}\) as the amplitude of its electric field vector. The electric field \(E_{0}\) which transports significant energy from the source falls off as

358825 A point source of electromagnetic radiation has an average power output of \(800\;W\). The maximum value of electric field at a distance \(3.5\;m\) from the source will be \(62.6\;V/m,\) the energy density at a distance \(3.5\;m\) from the source will be -(in joule \(/{m^3}\) )

358822 In a plane \(E M\) wave, the electric field oscillates sinusoidally at a frequency of \(5 \times {10^{10}}\;Hz\) and have an amplitude of \(50\,V{m^{ - 1}}.\) The total average energy density of the electromagnetic field of the wave is [Use \({\varepsilon _0} = 8.85 \times {10^{ - 12}}{C^2}/N{m^2}\;J\,]\)

358823 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 electromagnetic radiation at a distance of \(5\;m\) from the lamp will be nearly :-

358824 An \(EM\) wave radiates outwards from a dipole antenna, with \(E_{0}\) as the amplitude of its electric field vector. The electric field \(E_{0}\) which transports significant energy from the source falls off as

358825 A point source of electromagnetic radiation has an average power output of \(800\;W\). The maximum value of electric field at a distance \(3.5\;m\) from the source will be \(62.6\;V/m,\) the energy density at a distance \(3.5\;m\) from the source will be -(in joule \(/{m^3}\) )

358822 In a plane \(E M\) wave, the electric field oscillates sinusoidally at a frequency of \(5 \times {10^{10}}\;Hz\) and have an amplitude of \(50\,V{m^{ - 1}}.\) The total average energy density of the electromagnetic field of the wave is [Use \({\varepsilon _0} = 8.85 \times {10^{ - 12}}{C^2}/N{m^2}\;J\,]\)

358823 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 electromagnetic radiation at a distance of \(5\;m\) from the lamp will be nearly :-

358824 An \(EM\) wave radiates outwards from a dipole antenna, with \(E_{0}\) as the amplitude of its electric field vector. The electric field \(E_{0}\) which transports significant energy from the source falls off as

358825 A point source of electromagnetic radiation has an average power output of \(800\;W\). The maximum value of electric field at a distance \(3.5\;m\) from the source will be \(62.6\;V/m,\) the energy density at a distance \(3.5\;m\) from the source will be -(in joule \(/{m^3}\) )

358822 In a plane \(E M\) wave, the electric field oscillates sinusoidally at a frequency of \(5 \times {10^{10}}\;Hz\) and have an amplitude of \(50\,V{m^{ - 1}}.\) The total average energy density of the electromagnetic field of the wave is [Use \({\varepsilon _0} = 8.85 \times {10^{ - 12}}{C^2}/N{m^2}\;J\,]\)

358823 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 electromagnetic radiation at a distance of \(5\;m\) from the lamp will be nearly :-

358824 An \(EM\) wave radiates outwards from a dipole antenna, with \(E_{0}\) as the amplitude of its electric field vector. The electric field \(E_{0}\) which transports significant energy from the source falls off as

358825 A point source of electromagnetic radiation has an average power output of \(800\;W\). The maximum value of electric field at a distance \(3.5\;m\) from the source will be \(62.6\;V/m,\) the energy density at a distance \(3.5\;m\) from the source will be -(in joule \(/{m^3}\) )