The Sun generates spherical waves of light.  If you determine the peak electric field of the sunlight waves to be E  a distance r from the Sun, what is the peak electric field a distance of 2r from the Sun?

Q: A python can detect thermal radiation with intensity greater than 0.60 W/m2. A typical human body…

A: Given: The intensity that python can detect is I=0.60 W/m2. The surface area of human body is A=1.8…

Q: An 800-kHz radio signal is detected at a point 2.7 km distant from a transmitter tower. The electric…

A: Given: The electric field is 0.36 V/m. The formula for the intensity of the radio signal is where I…

Q: A sample of helium gas is excited with an electric current, which causes the helium to emit…

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Q: An Electromagnetic wave of v = 5 MHz passes from vacuum into the dielectric medium with permittivity…

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Q: A new cordless phone emits 4.0 mW at 5.8 GHz. The manufacturer claims that the phone has a range of…

A: Given: Power emitted = 4 mW = 4 x 10-3 W Frequency = 5.8 GHz Range of the phone = 100 feet

Q: peak electric field

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Q: A particular plane polarized electromagnetic wave, with a frequency of 100 MHz, is traveling through…

A: Frequency f = 100 MHz at t= 0 and x = 0 the electric field magnitude = 300 V/m