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प्रश्न
Give a reason for the following :
Local time is a theoretical reality, while Standard Time is a practical necessity.
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उत्तर
Local time may differ from place to place. Therefore, it is only a theoretic reality. On the other hand, the standard time is the same for a particular country. It is a practical necessity for the sake of uniformity of time.
संबंधित प्रश्न
What are the Great Circle Routes?
Make a detailed study of finding time with the help of longitudes. Give one practical example.
Calculate the longitude of a place where the local time is 6.00 a.m. when the time is 9.00 p.m. at New Delhi on longitude 77° E.
Which star is located vertically above the North pole?
What is the rate of change of time per degree of longitude?
Give a reason for the following :
The opposite meridians of longitude form a Great Circle.
Give a reason for the following :
A person, travelling from Mumbai to London, alters the time on his watch at several places.
“The degree of longitude decreases in length poleward”. Why?
What do you mean by local time?
Tick the correct answer.
The value of the prime meridian is
