Q. 1 A

Choose the best a

Answer :

Option b) and d) are correct. Aerial photography and satellite imagery are the new phase in topographical surveying in the 20th century. Aerial photography is a technique of obtaining information about places or objects or phenomenon with the help of photographs taken by camera whereas Satellite imagery is digitally transmitted images of the satellites.

Option a) is not correct because toposheets was used from ancient times.

Option c) is not correct because maps were also used from very ancient times. The ancient Greek, Roman was first people who created maps.

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