Question

The New Horizons space probe transmits to Earth at a frequency of 8.3 GHz. At some...

The New Horizons space probe transmits to Earth at a frequency of 8.3 GHz. At some point the wave intensity was I = 2.85e-25 W/m^2.

a) What will be the intensity of the wave three times the distance from the space probe?

b) What is the wavelength of the transmitted signal? If the power of the sun is 3.88e + 26W.

c) At what distance from the sun, the radiation intensity will be 0.263 W/m^2?

d) What will be the absorption radiation pressure exerted by the sun on the wave at that distance?

e) If we consider the above distance as the New Horizons distance from the earth. And that the antenna power is 17W. What will be the intensity of the wave transmitted by New Horizons reaching Earth?

f) How many times farther is the New Horizons probe from the beginning of the problem?

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