3rd Class Science Travel and Communication Communication


Category : 3rd Class

*     Communication


We use various means of transport to meet our friends and relatives. But sometimes we are not in a position to visit and meet them. In that case, means of communication helps us to keep contact with them, by sending and receiving messages.


*         Means of Communication

There are various means of communication. These are:   


*       Telephone

Telephones are land phones used for communication. By telephone we can talk to the persons living far away from us. We can even talk if the person is in another part of the world.  


*       Mobile phone

We cannot carry our land phones with us whenever we go out of our house. Mobile phones/ cell phones, on the other hand, are the phones that we can carry with us whenever and wherever we go. In this way we can keep in touch with our nearest and dearest one, anytime and from anywhere.  


*         Letter

Now, if you need to communicate with a person who has no land phone or a mobile phone, what will you do?

In this situation we write letters. Letters are one of the oldest means of communication that is, sending and receiving messages. We write and post our letters in post offices. Postman carries these letters to our desired addresses.  


*           Telegram

If we need to send very urgent messages to someone very fast, we use telegram.  


*         E-mails

E-mails are the electronic mails, which are send with the help of internet, through a computer. It is one of the fastest and cheapest mode of communication.





     Which one of the followings is a means of transportation?

(a) Fan

(b) Bus

(c) Computer

(d) TV

(e) None of these


Answer: (b)


Bus is a means of transportation. Therefore, option (b) is correct and rest of the options is incorrect.  



      Name the fastest means of transport.

(a) Road transport

(b) Rail transport

(c) Air transport

(d) Water transport

(e) None of these


Answer: (c)


By air we can travel long distances with shortest possible time.

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