Please select a subject first
Advertisements
Advertisements
How far is it correct to say that local time is the Sun time?
Concept: undefined >> undefined
How can you say that the use of ‘Local Time’ is very inconvenient nowadays in practical life?
Concept: undefined >> undefined
Advertisements
Why do some countries have many time zones?
OR
What are ‘Time Zones’?
Concept: undefined >> undefined
Give a reason for the following :
The opposite meridians of longitude form a Great Circle.
Concept: undefined >> undefined
Give a reason for the following :
Local time is a theoretical reality, while Standard Time is a practical necessity.
Concept: undefined >> undefined
Give a reason for the following :
“The International Date Line is not a straight line coinciding with longitude 180 degrees.” Why?
Concept: undefined >> undefined
Give a reason for the following :
The distance between two consecutive meridians is equal to about 111 kilometers only at the equator.
Concept: undefined >> undefined
Give a reason for the following :
When it is noon at Cairo (30°E), the local time in New York (75°W) is 5.00 a.m.
Concept: undefined >> undefined
Give a reason for the following :
All parallel other than equator are not Great Circles.
Concept: undefined >> undefined
Give a reason for the following :
A person, travelling from Mumbai to London, alters the time on his watch at several places.
Concept: undefined >> undefined
Explain why the lines of longitude are called meridians of longitude?
Concept: undefined >> undefined
State two properties of lines of longitude.
Concept: undefined >> undefined
Clearly distinguish Longitude from Lines of Longitude.
Concept: undefined >> undefined
What do you mean by “Meridians or Lines of Longitude”?
Concept: undefined >> undefined
What adjustment has to be made when ships cross the International Date Line?
OR
Explain why a day appears to be lost in sailing round the world from east to west and gained when travelling from west to east.
Concept: undefined >> undefined
What will be local time at Delhi 77° E longitude when it is 3 p.m. at Tokyo 139°E longitude?
Concept: undefined >> undefined
What will be the local time at Madras 80°E? When it is 9 P.M. in New York at 74° W?
Concept: undefined >> undefined
“The degree of longitude decreases in length poleward”. Why?
Concept: undefined >> undefined
What is the relation between longitude and time?
Or
“There is a difference of 4 minutes of time for one degree of longitude”. Why?
Concept: undefined >> undefined
A ship crossing international dateline at mid-night on Wednesday Eastwards, find that it is mid-night Tuesday on the American side. Why?
Concept: undefined >> undefined
