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![Balbharati solutions for Geography (Social Science) [English] 9 Standard Maharashtra State Board chapter 7 - International Date Line - Shaalaa.com](/images/geography-social-science-english-9-standard-maharashtra-state-board_6:839ee21484994344ae22d51513b4feec.jpg "Balbharati solutions for Geography (Social Science) [English] 9 Standard Maharashtra State Board chapter 7 - International Date Line")
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Solutions for Chapter 7: International Date Line
Below listed, you can find solutions for Chapter 7 of Maharashtra State Board Balbharati for Geography (Social Science) [English] 9 Standard Maharashtra State Board.
Balbharati solutions for Geography (Social Science) [English] 9 Standard Maharashtra State Board 7 International Date Line Exercise [Page 62]
Two boxes in different hemispheres are given in the following diagram. The IDL passes through both the boxes. In one box, the meridian, day and date is given. Find the day and date for the other box.
Select the correct option:
While crossing the IDL, a person will have to add one day when travelling from ______.
East to West
West to East
South to North
North to South
If it is Wednesday 10 a.m. at 15° E meridian, then what will be the time at IDL?
Wednesday 6 a.m.
Wednesday 9 p.m.
Thursday 2 p.m.
Thursday 6 p.m.
According to the international convention, at which meridian does the day and date change occurs?
0°
90°E
90°W
180°
At which direction of the IDL does a new day start immediately?
East
West
North
South
IDL brings coordination in which of the following?
GPS system
Defence departments
Transportation schedules
Determining the hemisphere
Give geographical reason.
IDL is proving to be very useful in today’s times.
Give geographical reason.
The day starts in Pacific Ocean on the earth.
Write in brief:
What considerations have been made while deciding the IDL?
While crossing the IDL, what changes will you make?
Why is the IDL not a straight line like the 180° meridian?
Why doesn’t the IDL pass through land?
Why is the IDL considered with respect to the 180° meridian only?
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Mumbai - London - New York - Los Angeles - Tokyo
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Delhi - Kolkata - Singapore - Melbourne
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Kolkata - Hong Kong - Tokyo - San Francisco
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Chennai - Singapore - Tokyo - Sydney - Santiago
Using an atlas, tell if, on the following route, the IDL will be crossed and show it on the map.
Delhi - London - New York
Solutions for 7: International Date Line
Balbharati solutions for Geography (Social Science) [English] 9 Standard Maharashtra State Board chapter 7 - International Date Line
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Concepts covered in Geography (Social Science) [English] 9 Standard Maharashtra State Board chapter 7 International Date Line are International Date Line, Introduction of International Date Line, Solution to the Confusion of Days.
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