Elements of Remote Sensing Objective Questions (MCQs) | PDF Download

Elements of Remote Sensing Objective Questions ( MCQs ) PDF containing 98 questions is given below. You can directly download this PDF and study from it.

  1. Details of the PDF  

  2. Some questions from PDF  

Question No. 1
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,

(A) Reduces the contrast of the image and also its sharpness
(B) Increases the contrast of the image but reduces the sharpness
(C) Increases both the contrast and sharpness
(D) Reduces the contrast but increases the sharpness

Answer: Option A

Question No. 2
Pick up the correct statement from the following

(A) The ratio of the up flux and down flux just above the snow surface, is called albedo
(B) Spectral albedo of snow is calculated for the semi-infinite snow thickness

(C) Water equivalent height of snow is the height of water column obtained by melting snow
(D) All of these

Answer: Option D

Question No. 3
Spatial variation in horizontal and vertical directions is caused due to:

(A) Physical weathering of rocks
(B) Chemical weathering of rocks
(C) Biological weathering of rocks
(D) All of these

Answer: Option D

Question No. 4
The basic requirement of any sensor system is:

(A) Radiometric resolution
(B) Spatial resolution
(C) Spectral resolution
(D) All of these

Answer: Option D

Question No. 5
Pick up the correct statement from the following:

(A) Permeability is a measure of conducting the magnetic lines of force in the material
(B) Permeability is a measure of the extent to which magnetic lines of force can penetrate a medium
(C) Permeability is expressed as the ratio of the magnetic flux density (B) to the field strength of the magnetizing field
(D) All of these

Answer: Option D

Question No. 6
“An Electromagnetic wave falls onto a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media”. This phenomenon is known as:

(A) Fresnel reflection
(B) Fresnel refraction
(C) Snell’s law
(D) None of these

Answer: Option A

Question No. 7
A passive sensor uses:

(A) Sun as the source of energy
(B) Flashlight as a source of energy
(C) Its own source of energy
(D) None of these

Answer: Option A

Question No. 8
Who coined the term, ‘Remote sensing’.

(A) Evelyn L. Pruitt, a geographer
(B) Gaspard Felix Tournachon, a French scientist
(C) Wilbur Wright, an Italian scientist
(D) None of these

Answer: Option A

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