Class 9 Geography7.The International Date Line
Class 9 Geography
7.The International Date Line Q 2. Select the correct option :
(1) While crossing the IDL, a person will have to add one day when travelling from
(a) East to West (b) West to East (c) South to North (d) North to South
Ans : (a) East to West
(2) If it is Wednesday 10 a.m. at 150E meridian, then what will be the time at IDL?
(a) Wednesday 6 a.m.(b) Wednesday 9 p.m. (c) Thursday 2 p.m. (d) Thursday 6 p.m.
Ans:.( b) Wednesday 9 p.m.
(3) According to the international convention, at which meridian does the day and date change occurs?
(a) 0° (b) 90° E (c) 90° W (d) 180°
Ans : 180°
(4) At which direction of the IDL does a new day start immediately?
(a) East (b) West (c) North (d) South
Ans : West
(5) IDL brings coordination in which of the following?
(a) GPS system (b) Defence departments (c) Transportation schedules
(d) Determining the hemisphere
Ans : (c) Transportation schedules Q 3. Give geographical reasons.
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