ELEMENTS OF REMOTE SENSING QUIZ

All of these

The rate of transfer of radiant energy is called flux and is expressed in watts

Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation

The radiant energy which falls upon a surface is termed as irradiance

The interaction of the electromagnetic radiation with the target

Both (A) and (B)

The emission of electromagnetic radiation from the target

Neither (A) nor (B)

0.7 - 1.3 μm

0.4 - 0.7 μm

0.5 mm to 1 μm

0.7 to 14 μm

Scattering by the suspended particulate matter

Absorption by the dissolved material

Absorption by the suspended particulate matter

All of these

Both the fields are at right angles to the direction of propagation

Directions of both the fields are orthogonal

Both (A) and (B)

Neither (A) nor (B)

Radiometric error

None of these

Signature

Atmospheric window

Passive remote sensing

Active remote sensing

Neutral remote sensing

None of these

sin²θ

tan²θ

cos²θ

sec²θ

Physical weathering of rocks

All of these

Chemical weathering of rocks

Biological weathering of rocks

Is capable to travel across space

Produces a time varying magnetic field and vice versa

Once generated, remains self-propagating

All of these