Please answer those questions please this is the homework and the answers are needed to be accurate. Please do so immediately

three forms of optical fiber, and give the general properties of each I What light sources and sensors are used with optical fibers? What is the chief disadvantage of optical fiber as opposed to copper wiring? 3 What is the approximate conical angle that can be used with infrared technology? 4 Can laser communication be used from a moving vehicle? Explain. 5 Why might low-frequency electromagnetic radiation be used for communications? Exnlei 6 What are the two broad categories of wireless communications? 7 List the three types of communications satellites, and give the characteristics of each If messages are sent from Europe to the United States using a GEO satellite, how long wil it take for a message to be sent and a reply to be received? ) How many GEO satellites are needed to reach all populated areas on the earth? What is propagation delay? What is the relationship between bandwidth, signal levels, and data rate? If two signal levels are used, w has an analog bandwidth of 6.2 MHz? If a system has an average power level of 100, an average noise level of 33.33, and a bandwidth of 100 MHz, what is the effective limit on channel capacity? 12 hat is the data rate that can be sent over a coaxial cable that n input power level of 9000, and an output power level of 3000, what is the difference when expressed in dB? If a telephone system can be created with a signal-to-noise ratio of 40 dB and an analog bandwidth of 3000 Hz, how many bits per second could be transmitted