ELEMENTS OF REMOTE SENSING QUIZ

C = vλ

C = 1/λv

C = λ/v

C = v + λ

Is a diffuse emitter

All listed here

Emits power of every wave length

Absorbs all the radiations of every wave lengths

All of these

The pigments

Equivalent water content

Internal cell structure

All of these

2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm

0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm

4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm

h < λ/8 cos θ

h > λ/Δ cos θ

h > λ/8 cos θ

h = λ/8 cos θ

None of these

Temporal variation

Spectral variation

Spatial variation

None of these

Neutral remote sensing

Passive remote sensing

Active remote sensing

Increases with salinity

Decreases with temperature

Decreases with salinity

Increases with temperature

All of these

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

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

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

Ozone hole

Black hole

Ozone window

Atmospheric window