Top 80+ Solved Elements of Remote Sensing MCQ Questions Answer
Q. Formation of snow occurs if the cloud temperature is
a. just above the freezing point
b. at the freezing point
c. below the freezing point
d. none of these
Q. Coherence of two electromagnetic waves takes place if their phase difference is:
a. constant in time
b. constant in space
c. constant in time and space
d. none of these
Q. The coherence length over which there is a strong relationship between amplitudes is;
a. directly proportional to the bandwidth
b. inversely proportional to the bandwidth
c. the square of the bandwidth
d. none of these
Q. Repetitive observations of the same area at equal interval of time are useful to monitor thedynamic phenomena:
a. cloud evolution
b. vegetative cover
c. snow cover
d. all of these
Q. Which one of the following parameters is considered to determine the reflectance of a vegetationcanopy?
a. solar zenith angle
b. azimuth angle
c. look angle
d. all of these
Q. A perfectly black body:
a. is a diffuse emitter
b. absorbs all the radiations of every wave lengths
c. emits power of every wave length
d. all the above
Q. 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
Q. In case of reflection and refraction of electromagnetic radiation,
a. angle of incidence = angle of refraction
b. angle of incidence = angle of reflection
c. angle of refraction = sum of the angles of incidence and refraction
d. all the above
Q. Which one of the following factors does not affect the scale of the air photographs?
a. focal length
b. flying height
c. ground elevation
d. none of these
Q. 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)
Q. The optical property of a water body depends on:
a. absorption by the dissolved material
b. absorption by the suspended particulate matter
c. scattering by the suspended particulate matter
d. all of these
Q. The object of photo-interpretation is:
a. identification
b. recognition of objects
c. judging the significance of objects
d. all of these
Q. 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