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why the diffraction are important for radio transmission.
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- What are the similarities and differences between radio waves and light?The team monitoring a space probe exploring the outer solar system finds that radio transmissions from the probe take 3.82 hours to reach earth. How distant in meters is the probe? Wavelength= ?It makes perfect sense to operate a house remote using infrared (IR) light waves rather than Bluetooth technology. Put up a compelling argument in support of your stance by presenting credible facts in its defense.
- What wavelength EM wave would be emitted most strongly by matter at the temperature of the core of a nuclear explosion, about 15,500,000 K? What type of wave is this? O radio O microwave O infrared O ultraviolet О х-ray O gamma ray O O O O OPenetrates Earth's Atmosphere? N N Radiation Type Radio Microwave Infrared Visible Ultraviolet Х-ray 10-10 Wavelength (m) 10 10-2 10-5 Gamma ray 0.5×10-6 108 10-12 Approximate Scale of Wavelength Buildings Humans Butterflies Needle Point Protozoans Molecules Atoms Atomic Nuclei Frequency (Hz) 104 108 1012 1015 1016 1018 1020 Temperature of objects at which this radiation is the most intense wavelength emitted 1 K -272 °C 100 K 10,000 K 9,727 °C 10,000,000 K -10,000,000 °C -173 °C Of the following choices, which type of electromagnetic wave has the most energy? Visible Light Infrared X-Rays They all have the same energyWhy don’t buildings block radio waves as completely as they do visible light?
- Using infrared (IR) light waves instead of Bluetooth for a home remote controller makes sense. Make a strong case for your position by providing solid evidence to back it up.How can a person detect infrared rays without an instrument?Other than from the ranges of wavelengths shown in Figure, can you find a way to distinguish radio waves from infrared waves ? Visible from infrared ? That is , could you design a radio that could be tuned to infrared waves ? Could living beings " se " in the infrared region? Wavelength (m) 106 104 102 100 10-2 104 10-6 10-8 10-10 10-12 AM FM TV Microwave Infrared Nuclear gamma rays Ultraviolet Broadcast Visible light Long-wave radio Short-wave radio X rays 102 104 106 10 1010 1012 1014 1016 1018 1020 1022 Frequency (Hz) FIGURE 1.7 The electromagnetic spectrum. The boundaries of the regions are not sharply defined.