Elements of Remote Sensing Multiple Choice Questions

Elements of Remote Sensing

Question 1.

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

A.

 Focal length

B.

 Flying height

C.

 Ground elevation

D.

 None of these

Explanation :

Explanation Not Provided

Question 2.

The optical property of a water body depends on:

A.

 Absorption by the dissolved material

B.

 Absorption by the suspended particulate matter

C.

 Scattering by the suspended particulate matter

D.

 All of these

Explanation :

Explanation Not Provided

Question 3.

The infrared portion of EMR lies between

A.

 0.4 - 0.7 μm

B.

 0.5 mm to 1 μm

C.

 0.7 - 1.3 μm

D.

 0.7 to 14 μm

Explanation :

Explanation Not Provided

Question 4.

The phase difference of the waves 1 and 2 at A in the given figure is:

A.

 π/4

B.

 π/2

C.

 π/1

D.

 /2

Explanation :

Explanation Not Provided

Question 5.

While propagating through homogeneous, isotropic media,

A.

 Directions of both the fields are orthogonal

B.

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

C.

 Both (A) and (B)

D.

 Neither (A) nor (B)

Explanation :

Explanation Not Provided