problem 1: Illustrate the term wavelength.

problem 2: What is the importance of the Shannon capacity?

problem 3: What are the factors that must be considered while assessing the suitability of a particular medium to a specific application?

problem 4: The attenuation of a signal is -10 db. Determine the final signal power if it was originally 5 watts?

problem 5: Given that the speed of light is 186,000miles/second and a satellite is at geosynchronous orbit. How long would it take for a signal to go from earth station to the satellite?

problem 6: Data pass via a point at a rate of 100 kilobits every five second. Determine the throughput?

problem 7: If the throughput at the connection between a device and the transmission media is 5 kbps, how long does it take to send 100,000 bits out of this device?

problem 8: The light of the sun takes around eight minutes to reach the earth. Find out the distance between the sun and earth?

problem 9: The wavelength of red light in a fiber is 0.5 µm. How long does it take the front of the wave to reach the end of the fiber if the length of the fiber is 2000 km?

problem 10: A line consists of a signal-to-noise ratio of 1000 and a bandwidth of 4000 kHz. Determine the maximum data rate supported by this line?