NCERT Solutions Class 11 Geography Chapter 3 Latitude Longitude and Time

Exercise

1. Answer the following questions in about 30 words:

(i) Which are the two natural points of references on the earth?

Answer: North and South Poles are the two natural points of references on the earth. The spinning of the earth on its axis from west to east provides these two natural points.

(ii) What is a great circle?

Answer: A Great Circle is a circle on the surface of the earth that divides the earth into two equal halves. For example, equator is the largest circle and divides the globe into two equal halves.

(iii) What are coordinates?

Answer: The latitudes and longitudes are commonly referred to as geographical coordinates as they provide systematic network of lines upon which the position of various surface features of the earth, can be represented.

(iv) Why does the sun appear to be moving from east to west?

Answer: The sun appear to be moving from east to west because the earth rotates from west to east over its axis and takes 24 hours to complete one rotation.

(v) What is meant by local time?

Answer: The time based on the meridian through a specific place, as a city, in contrast to that of the time zone within which the place is located is called local time.

2. Distinguish between latitudes and longitud

Answer:

ACTIVITY

1. Find out the locations of the following places with the help of your atlas and write their latitudes and longitud

Answer:

2. What would be the time of the following cities if the time at Prime Meridian is 10 m.

Delhi, London, Tokyo, Paris, Cairo, Moscow

Answer: