Geography
A great circle is a circle drawn on the surface of a sphere with radius :
- equal to the radius of the sphere.
- equal to half the radius of the sphere.
- larger than the radius of the sphere.
- less than the radius of the sphere.
Related Questions
I travelled from Tokyo, Japan to Alaska, USA. I was very sad to lose a day. How did this happen?
- Crossed the IDL
- Crossed the Pacific Ocean
- Crossed over to another country
- Crossed the Prime Meridian.
It was midnight at the Fiji Islands. What would be the time in London?
- 8:00 am
- 12:00 noon
- 8:00 pm
- None of the above.
Which of the following are great circles?
- Lines of Longitudes
- Lines of Latitudes
- Equator
- Both (1) and (3)
Assertion (A): There is a time difference of a full day on crossing the IDL.
Reason (R): It is diametrically opposite the Greenwich Meridian.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.