Question:
Consider the following lines of longitude and latitude:
1. Prime Meridian
2. Tropic of Cancer
3. Equator
Which of the above lines is/are a Great Circle?
Consider the following lines of longitude and latitude:
1. Prime Meridian
2. Tropic of Cancer
3. Equator
Which of the above lines is/are a Great Circle?
Options:
- a) 1, 2 and 3
- b) 1 and 2 only
- c) 1 and 3 only
- d) 3 only
- a) 1, 2 and 3
- b) 1 and 2 only
- c) 1 and 3 only
- d) 3 only
correct answer : c)
Explanation:
A Great Circle is a circle that divides the sphere into two equal hemispheres. The Prime Meridian (1) and Equator (3) are Great Circles, while the Tropic of Cancer (2) is not.
A Great Circle is a circle that divides the sphere into two equal hemispheres. The Prime Meridian (1) and Equator (3) are Great Circles, while the Tropic of Cancer (2) is not.