A. Solar zenith angle
B. Azimuth angle
C. Look angle
D. All of these
Related Mcqs:
- Leaf reflectance depends primarily on______________?
A. The pigments
B. Internal cell structur
C. Equivalent water content
D. All of these - Which one of the following parameters is accurate for DGPS ?
A. Positional accuracies ~ 1 – 2 m if rover is less than 1-2 km from the reference station
B. Positional accuracies ~ 2 – 5m if rover is less than 2-5 fm from the reference station
C. Positional accuracies ~ 5 – 10 m if rover is less than 5-10 km from reference station
D. Positional accuracies ~ 5 – 10 m if rover is less than 25 km - Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its_______________________?
A. Six ground stations
B. Five ground stations
C. Four ground stations
D. Three ground stations - 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 - 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 - Pick up the correct definition from the following with response to GIS_______________?
A. Common boundary between two areas of a locality is known as adjacency
B. The area features which are wholly contained within another area feature, is known so containment
C. The geometric property which describes the linkage between line features is defined as connectivity
D. All of these - Pick up the correct statement from the following ?
A. The refractive index of a medium varies according to the wavelength of the radiation,
B. The variation of the refractive index with wave length, is called dispersion,
C. The splitting of colours of white light by passing through a prism is caused due to dispersion
D. All of these - Which one of the following residual biases involves the GPS accuracy ?
A. Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
B. Receiver -dependent biases due to clock stability with line
C. Signal propagation biases due to the sphere and troposphere propagation
D. All the above - Which one of the following frequency regions is a part of sun’s radiation ?
A. Ultraviolet frequency region
B. Infrared frequency region
C. Radio frequency region
D. All of these - Pick up the correct statement from the following ?
A. The first man-made satellite, Sputnik-l’ was launched on 4th October, 1957
B. The United State’s Explorer 6 transmitted the first picture of the earth in August 1959
C. Television Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960
D. All of these