ELEMENTS OF REMOTE SENSING QUIZ

The altitudinal distance of a geostationary satellite from the earth is about:

36,000 km

26,000 km

44,000 km

30,000 km

TRUE ANSWER : ?
YOUR ANSWER : ?

The infrared portion of EMR lies between

0.7 - 1.3 μm

0.5 mm to 1 μm

0.7 to 14 μm

0.4 - 0.7 μm

TRUE ANSWER : ?
YOUR ANSWER : ?

In the given figure the phase of

B crossing is π

Crest A is π/2

All of these

Trough C is 3π/2

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Ampere Maxwell's law

Faraday's law

Kirchoff’s law

Hertz's law

TRUE ANSWER : ?
YOUR ANSWER : ?

Spatial variation in horizontal and vertical directions is caused due to:

Physical weathering of rocks

All of these

Chemical weathering of rocks

Biological weathering of rocks

TRUE ANSWER : ?
YOUR ANSWER : ?

Leaf reflectance depends primarily on:

All of these

Equivalent water content

The pigments

Internal cell structure

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following factors does not affect the scale of the air photographs?

Flying height

Ground elevation

Focal length

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

If θ is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to:

sec²θ

sin²θ

tan²θ

cos²θ

TRUE ANSWER : ?
YOUR ANSWER : ?

In GPS, receivers are used are;

Quartz clocks

Atomic clocks

Electronic clocks

Mechanical clocks

TRUE ANSWER : ?
YOUR ANSWER : ?

Electromagnetic radiation:

All of these

Is capable to travel across space

Produces a time varying magnetic field and vice versa

Once generated, remains self-propagating

TRUE ANSWER : ?
YOUR ANSWER : ?

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