GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The mean radius of the earth is approximately
A
32,000 km
B
6,400 km
C
9,600 km
D
12,800 km
Explanation: 

Detailed explanation-1: -The Earth’s mean radius is determined as the average distance from the physical center to the surface, based on a large number of samples. The value, symbolized rearth, is equal to approximately 6, 371, 000 meters (6.371 x 106 m). This is roughly 6, 371 kilometers (km) or 3, 960 statute miles.

Detailed explanation-2: -The radius of the earth is 6371 km.

Detailed explanation-3: -The radius of the earth is about 6370 km.

Detailed explanation-4: -The radius of the earth and the radius of orbit around the sun are 6371 km and 149 x 106 km respectively. The order of magnitude of the diameter of the orbit is greater than that of earth by 104.

There is 1 question to complete.