sensor IFOV is proportional to_________________?

Related Mcqs:

1. 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

2. 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

3. The basic requirement of any sensor system is___________________?

   A. Radiometric resolution
   B. Spatial resolution
   C. Spectral resolution
   D. All of these

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. Spatial variation in horizontal and vertical directions is caused due to_________________?

   A. Physical weathering of rocks
   B. Chemical weathering of rocks
   C. Biological weathering of rocks
   D. All of these

6. The value of energy quantum for radiation of any frequency is proportional to________________?

   A. The frequency
   B. The reciprocal of the energy
   C. The square of the frequency
   D. The square root of the frequency

7. Pick up the correct statement from the following ?

   A. For the same feature, the photograph taken from the satellite vertically above the aircraft, the height displacement is lesser than the aerial photograph
   B. The scale of the aerial photograph depends upon the scale of the topography
   C. The feature at the principal point has no height displacement
   D. All of the above

8. Which one of the following statements is correct regarding the GPS satellites ?

   A. The nominal altitude is about 20,200 km
   B. The inclination of axis satellite is 55°
   C. The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
   D. All of these

9. While propagating through homogeneous, isotropic media_________________?

   A. Directions of both the fields are orthogonal
   B. Both the fields are at right angles to the direction of propagation
   C. Both A. and B.
   D. Neither A. nor B.

10. Electromagnetic radiation_______________?

    A. Produces a time varying magnetic field and vice versa
    B. Once generated, remains self-propagating
    C. Is capable to travel across space
    D. All of these