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Geophysics


1. 

Bouguer correction is applied to correct for the gravity anomaly due to mass between station location and

Answer : D. local datum plane

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2. 

Which one of the following can be best explored using electromagnetic method?

Answer : A. Massive sulphide deposit

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3. 

The most sensitive instrument for magnetic survey is

Answer : A. optically pumped magnetometer

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4. 

Which physical property of the medium governs the response of Ground Penetrating Radar (GPR)?

Answer : B. Electrical permeability

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5. 

Which one of the following mineral constituents exhibits strong absorption in the UV-blue band of the EM spectrum due to charge transfer effect leading to colouration?

Answer : D. Fe-O

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6. 

In a remotely sensed data of a planet, the presence of hydrous species can be inferred using _________region of the electromagnetic spectrum?

Answer : C. Infrared

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