The Great Circles

Q. routes always give the shortest distance between two points on the Earth.

1. Great Circular
2. Great Hyperbolic
3. Great Parabolic

Q. The Great Circle represents the ___________ distance between any two points on a sphere.

1. shortest
2. longest
3. impermanent
4. circuitous

Q. The ____ is a circle on the surface of a sphere which lies in a plane passing through the sphere's centre.

1. Equator
2. Great Circle
3. Tropic of Cancer
4. Prime Meridian

Q. Read the following statements about great circles and select the option that is true.

Assertion [A]: Great circles are highly useful for navigation.

Reason [R]: They represent the longest distance between two points on a sphere.

1. Both A and R are true. R provides the incorrect explanation for A.
2. A is true but R is false.
3. Both A and R are true. R provides the correct explanation for A.
4. Both A and R are false.

Q. The shortest path between two points on the Earth is determined by the Great Circle Route

1. True
2. False

Q. If a plane was flying non-stop from Singapore to New York, what route would it take to get to New York as fast as possible?

1. The Route along the Great Circle
2. The Route along the IDL
3. The Route along the Prime Meridian
4. The Route along the Atlantic Ocean

Q. Which among the following is a great circle?

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