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Social Studies Read the map given below and answer the Questions

Geography ch 7 - International Date Line · Maharashtra Board STD 9 (MSBSHSE - English Medium). 3 questions.

Questions

Read the map given below and answer the Questions

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3 questions · self-marked practice — reveal the answer and mark yourself.

Question 13 Marks
Country-cityDayIndian Time
England – LondonSunday05.30
Japan – TokyoSaturday20.30
USA-New YorkSunday10.30
USA – Baker IslandSunday17.30
Australia – SydneySaturday18.30
New Zealand – AucklandSaturday16.30
Samoa Island – ApiaSaturday15.30
Tuvalu – Funafuti IslandSaturday17.30

1.Which location was the first to welcome the New Year in the World? What day was it then?
2.Which location bid farewell to the year 2016, the last of all?
3.On which day did that location welcome 2017?
4.What could be the reason behind the change in the day of Sydney and London?

Answer
1.Samoa islands in Apia was the first to welcome the New Year in the world on Saturday.
2.Baker islands in USA was last to bid farewell to the year 2016.
3.Baker islands in USA welcomed 2017 on Sunday.
4.According to 1ST, India welcomed the New Year at 12 midnight on Saturday. Sydney being 5 hours and 30 minutes ahead of IST and has already welcomed the New year before India on Saturday itself. But London is 5 hours and 30 minutes behind IST will welcome the New Year the next day i.e. on Sunday.
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Question 23 Marks

Image

1.Which meridian is used to determine world standard Time (GMT)?
2.Which meridian determines Indian Standard Time (1ST)?
3.What is the time difference between the GMT and the IST?

Answer
1.World Standard Time (GMT) is determined using Prime Meridian at 0° longitude.
2.82°30′ E is the standard meridian of India.
3.IST is 5hrs and 30 min ahead of GMT.
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Question 33 Marks

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1.From which country will the plane take off and where will it go?
2.What is the duration of the flight?
3.What is the day, date and time given at the starting point and destination of the flight?
4.What special note is given on the air ticket?
5.What could be the reason behind giving such a note?
6.During this flight, will the plane cross the IDL? If yes, then from which direction to which direction?
7.What did you understand by reading the ticket?

Answer
1. The plane will take off from Tokyo (Japan) and will go to San Francisco, California (USA)
2. The duration of the flight is 9hrs and 15 min.
3. At the starting point of Tokyo (Japan) it is Friday, 1st April 12.30 am and at the destination of San Francisco California (USA) it will arrive on Thursday March 31st at 5.45 pm.
4. A special note on the ticket states that the flight involves a date change.
5. The reason behind giving such a note is to make us understand that the flight will cross the IDL
6. During this flight, the plane will cross the IDL from west to east.
7. We understand that a day is deducted and the time is fixed backward by 1 day while crossing the IDL from west to east.
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