ELEMENTS OF REMOTE SENSING QUIZ

Pick up the correct definition from the following with response to GIS.

The geometric property which describes the linkage between line features is defined as connectivity

All of these

The area features which are wholly contained within another area feature, is known so containment

Common boundary between two areas of a locality is known as adjacency

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Consider the following statements regarding the satellite imaging:<br/>1. The satellite orbit is fixed in the inertial space<br/>2. During successive across-track imaging, the earth rotates beneath the sensor<br/>3. The satellite images a skewed area<br/>Which one of the following statements is/are correct?

1, 3

1, 2

2, 3

1, 2, 3

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Electromagnetic radiation:

Produces a time varying magnetic field and vice versa

All of these

Once generated, remains self-propagating

Is capable to travel across space

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Sensor IFOV is proportional to:

tan²

cos²

sec²

sin²

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The infrared portion of EMR lies between

0.4 - 0.7 μm

0.7 - 1.3 μm

0.5 mm to 1 μm

0.7 to 14 μm

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A perfectly black body:

Emits power of every wave length

Is a diffuse emitter

Absorbs all the radiations of every wave lengths

All listed here

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Which one of the following geometric errors of satellite sensors is random?

Scan skew

Earth rotation

Panoramic distortion

Altitude variation

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Crop Acreage and Production Estimation (CAPE) was funded and taken up in 1983 by:

USA

Russia

European Union

India

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The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:

None of these

Albedo

Reflectance factor

Reflectance

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Which one of the following attributes is not associated with digital maps

Legends

Color

Symbology

South arrow

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