Which statement about bump mapping and normal mapping is true?

A.
Normal mapping makes objects look less detailed.
B.
Normal mapping is used to make low-polygon objects look more detailed.
C.
Normal mapping increases the number of polygons required to define an object.
D.
Bump mapping is an application of normal mapping.
E.
Normal mapping is less efficient than bump mapping.

The answer is (b) Normal mapping is used to make low-polygon objects look more detailed.

Explanation:

A normal map is uses RGB information .The RGB information tells the 3D application about the exact location/direction of the surface normals.It is through the  orientation of the surface normals the polygon are shaded by the 3d application.In simple words,Normal Mapping makes the Polygon look more derailed by the use of RGB information

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