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
Related Mcqs:
- The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called____________________?
A. Passive remote sensing
B. Active remote sensing
C. Neutral remote sensing
D. None of these - sensor IFOV is proportional to_________________?
A. sin2
B. cos2
C. sec2
D. tan2 - 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 - The basic requirement of any sensor system is___________________?
A. Radiometric resolution
B. Spatial resolution
C. Spectral resolution
D. All of these - 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 - Which one of the following statements regarding remote sensing is correct ?
A. The interaction of the electromagnetic radiation with the target
B. The emission of electromagnetic radiation from the target
C. Both A. and B.
D. Neither A. nor B. - Who coined the term, ‘Remote sensing_______________?
A. Evelyn L. Pruitt, a geographer
B. Gaspard Felix Tournachon, a French scientist
C. Wilbur Wright, an Italian scientist
D. None of these - Remote sensing techniques make use of the properties of ______________ emitted, reflected or diffracted by the sensed objects?
A. Electric waves
B. Sound waves
C. Electromagnetic waves
D. Wind waves - Which one of the following statement is incorrect regarding the electromagnetic radiation ?
A. These are produced by the motion of electric charge
B. The oscillation of charged particles sets up changing electric fields
C. The changing electric fields induce the changing magnetic fields in the surrounding medium
D. None of these - The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called________________?
A. Sensors
B. Passive sensors
C. Active sensors
D. None of these
