ELEMENTS OF REMOTE SENSING QUIZ

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

All of these

Both (A) and (B)

The angle of incidence is equal to the angle of refraction

Neither (A) nor (B)

The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi

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

2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm

All of these

All of these

Radio frequency region

Infrared frequency region

Ultraviolet frequency region

Faraday's law

Ampere Maxwell's law

Kirchoff’s law

Hertz's law

0.7 μ wave length

0.55 μ wave length

None of these

0.4 μm wave length

Radiant energy (Q)

Radiant flux (φ)

All of these

Radiant intensity (I)

Sun as the source of energy

Flash light as a source of energy

None of these

Its own source of energy

Five ground stations

Four ground stations

Six ground stations

Three ground stations

Altitude variation

All of these

Orbit drift

Altitude