GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A planar projection map is most useful for
A
finding the shortest distance between two places particularly at the Poles.
B
visualizing overall shape and size of land.
C
sea navigation.
D
mapping the continents.
Explanation: 

Detailed explanation-1: -A gnomonic map projection is a map projection which displays all great circles as straight lines, resulting in any straight line segment on a gnomonic map showing a geodesic, the shortest route between the segment’s two endpoints.

Detailed explanation-2: -Although size and shape are distorted on planar projections, distances and directions are accurate when the line of travel passes through the center of the map. Often you will see maps on which the longitude lines are straight and get closer together toward the north, or top of the map.

Detailed explanation-3: -Azimuthal Projection – Stereographic Today, this is probably one of the most widely used Azimuthal projections. It is most commonly used over Polar areas, but can be used for small scale maps of continents such as Australia.

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