Answer the following questions in brief, fill in the blanks, and state whether the statements are true or false.

Here are the answers to your questions: 1. Answer in brief— a)* The total number of longitudes on Earth at 1^ interval is 360. b)* The longitude of Indian Standard Time (IST) is 82^ 30' E. c)* The Earth needs 24 hours to make a complete rotation of 360^. d)* The value in 0^ of the prime meridian passing through Greenwich is 0^. e)* The unit of angular distance is degrees (^), minutes ('), and seconds (''). 2. Fill in the blanks— a)* The circumference of the Earth makes an angle of 360^ at its centre. b)* The measurement of the line of longitude is called meridian. c)* The angular distance of the Prime Meridian is 0^ longitude. d)* If a place remains away by 15^E from the mid-day sun, then the time at that place will be 1 hrs ahead. 3. Say whether the following statements are true or false— a)* As a result of the diurnal motion of the Earth, the western places face the sun earlier than the places in the eastern side. This statement is False. Eastern places face the sun earlier. b)* The travellers at the moment of crossing 180^ from the east have to add up a day in their time schedule. This statement is True. Crossing the International Date Line from east to west means adding a day. c)* When it is 12 mid-night in any place on Earth it indicates the end of a day and beginning of another day. This statement is True. d)* The time difference at 180^ longitude is 12 hrs. This statement is True. e)* A place where evening occurs lately than in Greenwich is located in west longitude. This statement is True. 3 done, 2 left today. You're making progress.