Elements of Remote Sensing

A. The minimum frequency of light for which no electrons are emitted, is called threshold frequency
B. Polarising angle of glass is 57.5°
C. At the polarising angle, the reflected and refracted rays are orthogonal
D. All the above

A. sin2
B. cos2
C. sec2
D. tan2

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

A. Constant in time
B. Constant in space
C. Constant in time and space
D. None of these

A. Cloud evolution
B. Vegetative cover
C. Snow cover
D. All of these

A. Directly proportional to the bandwidth
B. Inversely proportional to the bandwidth
C. The square of the bandwidth
D. None of these