Class V Chapter 16 LET’S KEEP IN TOUCH Study Material Oral Questions: 1. Name the two types of communication? Ans. Two type of communication are: Personal Communication and Mass Communication. 2. Who invented the radio? Ans. Guglielmo Marconi invented the radio. Write Short Note on the following: 1. Television Ans. John Logie Baird invented the television in the year 1926. We can watch many channels from all over the world on it. It both educates and entertains us. It covers political news, sports news, movie review, music, cartoon pictures and travel show. We can also watch many events live on television. 2. Telegraph: Ans. Samuel Morse invented the telegraph. Telegrams are used to send short messages in the form of codes called the Morse code. Coded messages are sent through wires by mean of telegraphs. T...