Module 2-Quiz 2

The Geoid is ______

• The elevation difference between Geoid surface and reference Ellipsoid surface
• The elevation difference between Geoid surface and reference spheroid surface
• The elevation difference between Spheroid surface and reference Ellipsoid surface
• All of the above

_______is known as Equipotential surface

• spheroid
• Geoid
• Ellipsoid
• All of the above

________surface of the earth's gravity field that on an avg coincides with MSL

• spheroid
• Geoid
• Ellipsoid
• All of the above

due to variations in the gravity_________undulates significantly

• datum
• Geoid
• Ellipsoid
• All of the above

smooth and simplistic mathematical representation of the Earth surface can be represented by_______model

• datum
• Geoid
• Ellipsoid
• All of the above

Datum comprises of

• horizontal datum only
• vertical datum only
• both horizontal and vertical datum
• Don't know

which of the following is not part of GIS component ?

• co ordinate
• software
• people
• hardware

GUI stands for____

• Graphical User Interface
• Geographical User Interface
• Graphical Union Interface
• Geographical Union Interface

For storing, analysing of geographic information ______is helpful

• people
• data
• software
• hardware