ELEMENTS OF REMOTE SENSING QUIZ

Which one of the following statements is correct regarding the GPS satellites?

The inclination of axis satellite is 55°

All of these

The nominal altitude is about 20,200 km

The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)

TRUE ANSWER : ?
YOUR ANSWER : ?

The object of photo-interpretation is:

Identification

Judging the significance of objects

Recognition of objects

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following frequency regions is a part of sun's radiation?

Radio frequency region

Ultraviolet frequency region

All of these

Infrared frequency region

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following geometric errors of satellite sensors is random?

Altitude variation

Earth rotation

Panoramic distortion

Scan skew

TRUE ANSWER : ?
YOUR ANSWER : ?

Earth observations from a satellite platform provide:

Synoptic view of a large area

All of these

Constant solar zenith angles and similar illumination conditions

Repetitive observations of the same area with intervals of a few minutes to a few weeks

TRUE ANSWER : ?
YOUR ANSWER : ?

Leaf reflectance depends primarily on:

The pigments

Equivalent water content

Internal cell structure

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

'A time varying electric field produces a magnetic field.' This phenomenon is called:

Ampere Maxwell's law

Hertz's law

Kirchoff’s law

Faraday's law

TRUE ANSWER : ?
YOUR ANSWER : ?

The code based GPS receivers are generally used for:

Land navigation

Trans movement

All of these

Vehicle tracking

TRUE ANSWER : ?
YOUR ANSWER : ?

The optical property of a water body depends on:

Absorption by the suspended particulate matter

Scattering by the suspended particulate matter

Absorption by the dissolved material

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The normal altitude of GPS satellite is about

36,100 km

24,400 km

16,200 km

20,200 km

TRUE ANSWER : ?
YOUR ANSWER : ?