Longitude and Time

Q. What is the 23.5°N latitude called?

1. Tropic of Capricorn
2. Tropic of Cancer
3. Arctic Circle
4. Antarctic Circle

Q. What is the significance of the International Date Line ?

1. It signifies a change in temperate zone
2. None of the above
3. It serves as the prime meridian in the eastern hemisphere
4. It signifies a change of one calendar as we move across the line

Q. Why was the Greenwich meridian chosen as the 0 degree prime meridian for time zones ?

1. It was voted by a council of time travellers
2. Most of the ships involved in sea-trade at the time had already been using Greenwich as the reference point.
3. The place observed days of equal sunlight and nightfall throughout the year
4. Americans had already started using the Greenwich Meridian as their reference meridian to fix their national time zone system.

Q. What is the rough degree of longitude of the International Date Line?

1. 90°
2. 180°
3. 360°
4. 45°

Q. A degree is further divided into minutes and seconds. These are a measure of ____ .

1. time
2. angles
3. space
4. length

Q. The easternmost longitude of India passes through which of the following states?

1. Nagaland
2. Assam
3. Arunachal Pradesh
4. Manipur

Q. How many parts does each degree have ?

1. It is the smallest unit of time itself .
2. 90
3. 30
4. 60

Q.

how many longitudes are there on earth

Q. Where was the International Meridian Conference held ?

1. Tokyo
2. Washington
3. London
4. Rio De Janerio

Q. Sunspots, vortices of gas associated with strong electromagnetic activity, are visible as dark spots on the surface of the Sun but have never been sighted on the Sun's poles or equator.

1. are visible as dark spots on the surface of the Sun but have never been sighted on
2. appear on the surface of the Sun as darkspots although never sighted at
3. are visible as dark spots that never have been sighted on the surface of the Sun
4. appear as dark spots on the surface of the Sun, although never having been sighted at
5. appear as dark spots on the Sun's surface, which have never been sighted on

Q. Longitudes are an indication of the different _____ zones of the Earth .

1. heat
2. time
3. topological
4. economic