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!

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Elements of Remote Sensing MCQs | Page 12 of 15

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Q111.
The maximum absorption of solar radiation due to ozone occurs at wave lengths:

a.

shorter than 0.3 μm

b.

shorter than 0.2 μm

c.

greater than 0.3 μm

d.

None of these

Discuss
Answer: (a).shorter than 0.3 μm
Q112.
Which one of the following statements is correct to remote sensing?

a.

The basic property used to identify objects, is called signature.

b.

The ratio of the reflected flux to incident flux is called reflectance which varies fron 0 to 1

c.

The surface from which emergent radiance is constant in all directions is called Lambertian surface.

d.

All of these.

Discuss
Answer: (d).All of these.
Q113.
Which one of the following frequencies is a GPS ?

a.

L1 with frequency 1520 MHz

b.

L1 with frequency 1575.42 MHz

c.

L1 with frequency 1227.6 MHz

d.

L1 with frequency 1280.43 Hz

Discuss
Answer: (b).L1 with frequency 1575.42 MHz
Q114.
Snow cover on the earth surface :

a.

gives the highest reflectance in the visible spectrum

b.

shows marked variation in its reflectance characteristics

c.

Shows side variation in the grain size

d.

All the above

Discuss
Answer: (d).All the above
Q115.
Electromagnetic waves are characterised by :

a.

frequency

b.

wave length

c.

intensity

d.

All of these

Discuss
Answer: (d).All of these
Q116.
The solid angle subtended by the sphere is :

a.

2π

b.

3π

c.

4π

d.

6π

Discuss
Answer: (c).4π
Q117.
For accurate position fix, the three satellites:

a.

must be along a common arc

b.

must be in vertical line above the receiver

c.

must be widely separated and well distributed

d.

must be such that one satellite is overhead of the receiver and other two widely separated

Discuss
Answer: (c).must be widely separated and well distributed
Q118.
Pick up the correct statement from the following:

a.

Water molecules and salt-ions in the ocean scatter the lower wave length more

b.

An increase in the back scattering coefficient with shorter wave length gives a deep blue colour for clear oceanic water

c.

The ratio of the upwelling irradiance just below the surface and downwelling irradiance just above the surface is called reflectance ratio.

d.

All of these

Discuss
Answer: (d).All of these
Q119.
Pick up the correct statement from the following:

a.

The wave length of gamma rays is 10-10 m

b.

The wave length of radio rays is 106 m

c.

The visible length occupies a small portion of the electromagntic spectrum extending roughly from 0.4 μ m to 0.7μm wave length.

d.

All of these

Discuss
Answer: (d).All of these
Q120.
The various stages of formation of snow are listed below :

1. Formation of ice crystals
2. Formation of snow pallets
3. Formation of snow flakes
4. Formationof snow crystals
5. Formation of rimed crystals

Which one of the following sequences is correct ?

a.

3 2 5 1 4

b.

5 3 1 2 4

c.

1 4 3 5 2

d.

1 3 4 2 5

Discuss
Answer: (c).1 4 3 5 2
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