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 5 of 15

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Q41.
Pick up the correct statement from the following :

a.

When the electric field oscillates in the direction of the electric vector, a plane polarised wave is formed.

b.

When the electric vector is in the plane of incidence, vertical polarisation is formed.

c.

When the electric vector is at right angles to the plane of incidence, horizontal polarization wave is formed.

d.

All of these

Discuss
Answer: (d).All of these
Q42.
Pick up the correct statement from the following:

a.

Phase of a wave is expressed as a fraction of a period with respect to a refrence

b.

Phase is usually specified by angular measure with one period being 360°

c.

The reference for finding the phase of a wave is taken from the previous passage through zero from the negative to the positive direction.

d.

All of these

Discuss
Answer: (d).All of these
Q43.
If 0 is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to :

a.

sin²θ

b.

cos²θ

c.

sec²θ

d.

tan²θ

Discuss
Answer: (c).sec²θ
Q44.
Which one of the following statements is correct regarding the GPS satellites ?

a.

The nominal altitude is about 20, 200 km

b.

The inclination of axis satellite is 55°

c.

The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)

d.

All of these

Discuss
Answer: (d).All of these
Q45.
Pick up the correct statement from the following:

a.

Indian space effort started in 1962 with the establishment of a rocket.

b.

Development of space (DOS) was established by the Government of India in 1972

c.

Indian Space Research Organisation (ISRO) is responsible for the space technology and its application to various activities.

d.

All of these

Discuss
Answer: (d).All of these
Q46.
Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

a.

h > λ/Δ cos θ

b.

h = λ/8 cos θ

c.

h > λ/8 cos θ

d.

h < λ/8 cos θ

Discuss
Answer: (c).h > λ/8 cos θ
Q47.
Pick up the correct statement from the following :

a.

The distance between two successive crests or troughs of a wave, is called, the wave length

b.

The wave length is measured in metres and a fraction of a metre

c.

The wave length is generally denoted by λ

d.

All of these

Discuss
Answer: (d).All of these
Q48.
The basic requirement of any sensor system, is :

a.

radiometric resolution

b.

spatial resolution

c.

spectral resolution

d.

All of these

Discuss
Answer: (d).All of these
Q49.
Which one of the following helps to identify the objects on the earth surface ?

a.

atmospheric window

b.

signature

c.

radiometric error

d.

None of these

Discuss
Answer: (b).signature
Q50.
The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:

a.

ozone hole

b.

atmospheric window

c.

ozone window

d.

black hole

Discuss
Answer: (b).atmospheric window
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