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 13 of 15

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Q121.
Snow consists of

a.

snow crystals

b.

rimed snow crystals

c.

snow flakes

d.

All of these

Discuss
Answer: (d).All of these
Q122.
For perfect coherent radiation, which one of the following statement is correct?

a.

Both the waves must have single frequencies

b.

The directions of motion of both waves are parallel.

c.

The waves must be collimated

d.

All of these

Discuss
Answer: (d).All of these
Q123.
Fresh and pure snow reflectance

a.

is very high in visible region

b.

falls off steeply in the near-IR region

c.

remains low for longer wave lengths

d.

All of these

Discuss
Answer: (d).All of these
Q124.
Snow albedo is affected by :

a.

wave length

b.

grain size

c.

solar zenith angle

d.

All of these

Discuss
Answer: (d).All of these
Q125.
"All bodies at temperatures above absolute zero degree emit electromagnetic radiation at different wave length", is known as:

a.

Plank's law

b.

Planktan's law

c.

Lambert's cosine law

d.

None of these

Discuss
Answer: (a).Plank's law
Q126.
Assuming n as the frequency of radiation, n0 as the threshold frequency and k as a constant, the energy of the photo-electrons (E) is related as

a.

E = k (n - n0)

b.

E = k (n + n0)

c.

E = k (n x n0)

d.

E = k (n + n0)/2

Discuss
Answer: (a).E = k (n - n0)
Q127.
In which part of the reflective optical infrared region, the effect of multiple leaves in vegetation canopy is maximum ?

a.

The near-IR (0.7 - 1.3 μm) region

b.

The visible (0.4 - 0.7 μm) region

c.

The short wave IR (1.3 - 2.7 μm) region

d.

In all the above region

Discuss
Answer: (a).The near-IR (0.7 - 1.3 μm) region
Q128.
Which one of the following statements is correct ?

a.

The ratio of the permitivity of a medium and the free space, is called relative permitivity.

b.

Dielectric constant is a pure number and has no dimensions.

c.

The dielectric constant of pure water is 80.

d.

All of these

Discuss
Answer: (d).All of these
Q129.
The energy transported by the electromagnetic wave is proportional to :

a.

the altitude of the wave

b.

the square of the altitude of the wave

c.

the cube of the altitude of the wave

d.

the square roof of the amplitude

Discuss
Answer: (b).the square of the altitude of the wave
Q130.
Which one of the following is incorrect statement? While passing through the atmosphere, the solar radiation,

a.

remains unaffected

b.

gets scattered

c.

gets absorbed partially

d.

None of these

Discuss
Answer: (a).remains unaffected
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