The basic requirement of any sensor system is___________________?

Related Mcqs:

1. sensor IFOV is proportional to_________________?

   A. sin2
   B. cos2
   C. sec2
   D. tan2

2. Which one of the following errors is produced by platform characteristics of the sensor ?

   A. Altitude variation
   B. Altitude
   C. Orbit drift
   D. All of these

3. The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target_________________?

   A. Reduces the contrast of the image and also its sharpness
   B. Increases the contrast of the image but reduces the sharpness
   C. Increases both the contrast and sharpness
   D. Reduces the contrast but increases the sharpness

4. A passive sensor uses ________________?

   A. Sun as the source of energy
   B. Flash light as a source of energ
   C. Its own source of energy
   D. None of these

5. Which one the following is a correct statement ?

   A. The vertical section of the soil extending into the parent material, is called profile
   B. The layers of the soil parallel to the earth surface are called horizons
   C. The transitional layer between two adjoining horizons is called boundary
   D. All of these

6. The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called________________?

   A. Reflectance
   B. Reflectance factor
   C. Albedo
   D. None of these

7. The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called_________________?

   A. Spectral variation
   B. Spatial variation
   C. Temporal variation
   D. None of these

8. Earth observations from a satellite platform provide____________?

   A. Synoptic view of a large area
   B. Constant solar zenith angles and similar illumination conditions
   C. Repetitive observations of the same area with intervals of a few minutes to a few weeks
   D. All of these

9. Pick up the correct statement from the following?

   A. The ratio of the up flux and down flux just above the snow surface, is called albedo
   B. Spectral albedo of snow is calculated for the semi-infinite snow thickness
   C. Water equivalent height of snow is the height of water column obtained by melting snow
   D. All of these

10. Which one of the following statements is correct ?

    A. During the day, earth reflects solar radiation
    B. During the day, earth reflects both solar radiations the emission from its surface
    C. During the night, earth emits radiation from its surface
    D. All of these