wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

GED306 - Remote Sensing - Quiz 1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The art or science of telling something about an object without touching it.

a)

Remote sensing

b)

Geodesy

c)

Surveying

d)

None of the above

2.

Which of the following belongs to remote sensing system?

a)

Energy Source

b)

Processing station

c)

Sensor

d)

All of the above

3.

This source of electromagnetic radiation is considered natural.

a)

LiDAR

b)

Sun light

c)

radar

d)

None of the above

4.

Atmospheric scattering is the process by which small particles in the atmosphere diffuse a portion of the incident radiation in all directions.

a)

Reflection

b)

Absorption

c)

Scattering

d)

All of the above

5.

The process in which incident energy is retained by particles in the atmosphere at a given wavelength.

a)

Reflection

b)

Absorption

c)

Scattering

d)

All of the above

6.

They cover each area of the world at a constant local time of day called local sun time

a)

sun-synchronous

b)

polar

c)

ascending

d)

None of the above

7.

sun-synchronous satellite orbits maintain .............................

a)

constant local time visit to a specifc area

b)

same-season imagery

c)

consistent illumination

d)

All of the above

8.

Passive sensors provide their own illumination.

a)

True

b)

False

9.

Active sensors provide their own illumination.

a)

True

b)

False

10.

A pushbroom scanner receives a stronger signal than a whisk broom scanner because it looks at each pixel area for longer

a)

True

b)

False

11.

It uses rotating mirrors to scan the landscape below from side to side perpendicular to the direction of the sensor platform.

a)

whiskbroom

b)

Pushbroom

12.

The detail discernible in an image is dependent on the ................................ resolution

a)

spectral

b)

radiometric

c)

spatial

d)

temporal

13.

It is the amount of information in each pixel, that is, the number of bits representing the energy recorded.

a)

spectral resolution

b)

radiometric resolution

c)

spatial resolution

d)

temporal resolution

14.

It is the time it takes for a space-based platform to complete an orbit and revisit the same observation area

a)

spectral resolution

b)

radiometric resolution

c)

spatial resolution

d)

temporal resolution

15.

It is easy to build an instrument combining high spatial, spectral, and temporal resolution.

a)

True

b)

False