Elements of Remote Sensing MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Elements of Remote Sensing, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Elements of Remote Sensing MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Elements of Remote Sensing mcq questions that explore various aspects of Elements of Remote Sensing problems. Each MCQ is crafted to challenge your understanding of Elements of Remote Sensing principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Elements of Remote Sensing MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Elements of Remote Sensing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Elements of Remote Sensing knowledge to the test? Let's get started with our carefully curated MCQs!

Elements of Remote Sensing MCQs | Page 11 of 15

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Q101.
Pick up the correct statement from the following:

a.

Electromagnetic wave is composed of electric and magnetic fields

b.

Electric and magnetic fields of electromagnetic wave remain mutually orthogonal and transverse to the direction of propagation.

c.

If the electromagnetic wave moves in the z-direction, its electric vector remains in the XY plane along any direction.

d.

All of these

Discuss
Answer: (d).All of these
Q102.
The information system is the chain of the following operations,

1. Collection of data
2. Planning the observations
3. Analysis of data
4. Decision making process

Which one of the chains is correct ?

a.

4, 1, 2, 3

b.

2, 1, 3, 4

c.

3, 2, 1, 4

d.

1, 3, 4, 2

Discuss
Answer: (b).2, 1, 3, 4
Q103.
Polarising angle (i) and refractive index (ฮผ) of the reflecting surface are related by:

a.

sin i = ฮผ

b.

cos i = ฮผ

c.

tan i = ฮผ

d.

none of the above

Discuss
Answer: (c).tan i = ฮผ
Q104.
Pick up the incorrect statement regarding the optical infrared region of the electromagnetic spectrum from the following :

a.

visible region, 0.4 ฮผm - 0.7 ฮผm

b.

short wave infrared region, 0.7 ฮผ m - 1.5 ฮผm

c.

near infrared region, 1.5 ฮผ m - 3.0 ฮผm

d.

microwave infrared region, 3.0 ฮผ m - 8.0 ฮผm

Discuss
Answer: (b).short wave infrared region, 0.7 ฮผ m - 1.5 ฮผm
Q105.
Identification of crops is affected by:

a.

the spectral characteristics of the sensor

b.

the spatial characteristics of the sensor

c.

the radio metric characteristics of the sensor

d.

All of these

Discuss
Answer: (d).All of these
Q106.
In sun light, water rich in phytoplanktons appears :

a.

red

b.

green

c.

brown

d.

blue

Discuss
Answer: (b).green
Q107.
The semi-infinite snow albedo is proportional to the square root of the grain radius :

a.

in the 0.2 to 0.4 ฮผm wave length region

b.

in the 0.4 to 0.8 ฮผm wave length region

c.

in the 0.8 to 1.2 ฮผm wave length

d.

None of these

Discuss
Answer: (b).in the 0.4 to 0.8 ฮผm wave length region
Q108.
Depending upon the nature of the targeted object and the wave length of the electromagnetic radiation incident on it, the radiation gets :

a.

reflected

b.

absorbed

c.

re-radiated

d.

All of these

Discuss
Answer: (d).All of these
Q109.
Which one of the following statements is correct ?

a.

Each satellite of the GPS system transmits two L band signals.

b.

The two L band signals are modulated by the Pseudorandom binary codes (PN).

c.

The GPS receiver reads the specific code of the satellite.

d.

All of these

Discuss
Answer: (d).All of these
Q110.
Phytoplanktons :

a.

are microscopic plants

b.

are the first link in all the aquatic and marine food chains

c.

convert solar energy, dissolved carbon and nitrogen into organic biomass

d.

All of these

Discuss
Answer: (d).All of these
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