Enery of one photon = h f
= (6.626 x 10-34) x (100x 106 )
= 6.626 x 10-26 J
energy density = I /c = 0.2 /(3x108) = 6.67x10-10 J/m3
photon density = ( 6.67x10-10 J/m3) / (6.626 x 10-26 J) = 1.0 x 1016 /m3
1.0E16 photons/cubic meter
Aradio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m²...
A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2 What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter 1.0E 16 photons/cubic meter O 1.0E20 photons/cubic meter 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter
A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2 What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter 1.0E 16 photons/cubic meter 1.0E20 photons/cubic meter 1.4E31 photons/cubic meter 6.1E32 photons/cubic meter
A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m? What is the photon density in one cubic meter of the beam? O 1.0E12 photons/cubic meter O 1.0E 16 photons/cubic meter O 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter
A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter 1.0E16 photons/cubic meter 1.0E20 photons/cubic meter 1.4E31 photons/cubic meter 6.1E32 photons/cubic meter
Aradio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter 1.0E 16 photons/cubic meter 1.0E20 photons/cubic meter 1.4E31 photons/cubic meter 6.1E32 photons/cubic meter Question 11 5 pts A rotating generator has a square planar coil consisting of 100 turns. The coil rotates 60 times per second in a magnetic field of 1.25 T and yields a peak output...
A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter 1.0E16 photons/cubic meter 10E20 photons/cubic meter O 1.4E31 photons/cubic meter 6.1E32 photons/cubic meter
A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E12 photons/cubic meter O 1.0E16 photons/cubic meter 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter 6.1E32 photons/cubic meter
A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? O 1.0E12 photons/cubic meter O 1.0E 16 photons/cubic meter 01.0E20 photons/cubic meter O 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter
Question 10 5 pts A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter O 1.0E 16 photons/cubic meter O 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter
Question 10 5 pts A radio antenna emits EM waves at a frequency of 100 MHz and intensity of 0.2 W/m2. What is the photon density in one cubic meter of the beam? 1.0E 12 photons/cubic meter O 1.0E 16 photons/cubic meter O 1.0E20 photons/cubic meter O 1.4E31 photons/cubic meter O 6.1E32 photons/cubic meter