Category: Elements of Remote Sensing

A. Solar zenith angle
B. Azimuth angle
C. Look angle
D. All of these

A. 26,000 km
B. 30,000 km
C. 36,000 km
D. 44,000 km

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

A. 10-10 to 106 m

B. 10-8 to 106 m

C. 10-10 to 1010 m

D. 10-8 to 108 m

A. Permeability is a measure of conducting the magnetic lines of force in the material
B. Permeability is a measure of the extent to which magnetic lines of force can penetrate a medium
C. Permeability is expressed as the ratio of the magnetic flux density B. to the field strength of the magnetizing field
D. All of these

A. Angle of incidence is equal to angle of refraction
B. Angle of incidence is greater than the angle of refraction
C. Angle of incidence is equal to 90°
D. Angle of refraction is equal to 90°