Category: Elements of Remote Sensing

A. Fresnel reflection
B. Fresnel refraction
C. Snell’s law
D. None of these

A. A graphical representation of spectral reflectance verses the various growth stages of a crop, depicts a phonologic pattern
B. The changes in the polarisation of the radiation reflected or emitted by an object, is known as polarisation variation
C. The degree of polarisation is a characteristic of the object which helps in the identification of the object
D. All of these

A. The frequency
B. The reciprocal of the energy
C. The square of the frequency
D. The square root of the frequency

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

A. Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
B. The rate of transfer of radiant energy is called flux and is expressed in watts
C. The radiant energy which falls upon a surface is termed as irradiance
D. All of these

A. Phytoplankton contains photosynthetically active pigment
B. An increase of phytoplankton increases the back scattering in the green region
C. An increase of phytoplankton absorbs the bule region rapidly
D. An increase of phytoplankton decreases the back scattering in the green region

A. The pigments
B. Internal cell structur
C. Equivalent water content
D. All of these

A. Ultraviolet frequency region
B. Infrared frequency region
C. Radio frequency region
D. All of these

A. Circular orbit
B. Sun-synchronous orbit
C. Near polar orbit
D. None of these

A. Parabolic antenna
B. Microstrip antenna
C. Horn antenna
D. Slotted antenna