Question 1

An atmospheric window is best described as

Accepted Answer

A)  a hole in the atmosphere (such as the ozone layer) that lets electromagnetic energy through to the Earth.
B)  a wavelength of energy that is most easily transmitted to the Earth.
C)  a wavelength of energy that is nearly 100% absorbed by the atmosphere.
D)  the "thin" areas of the atmosphere that allow for the maximum amount of ultraviolet energy to pass through to the planet.E) A) and C)
F) A) and B)

Question 2

A narrow range of wavelengths describes a

Accepted Answer

A)  band.
B)  frequency.
C)  electromagnetic spectrum.
D)  nanometer.E) A) and D)
F) C) and D)

Question 3

Placing the green band in the blue color gun,the red band in the green color gun,and the near-infrared band in the red color gun will create which type of composite image?

Accepted Answer

A)  True color
B)  Spectral color
C)  False color
D)  Standard false colorE) A) and D)
F) A) and C)

Question 4

Which of the following forms of electromagnetic energy has the shortest frequency?

Accepted Answer

A)  Gamma rays
B)  X-rays
C)  Infrared light
D)  Radio wavesE) All of the above
F) C) and D)

Question 5

Sensing in the "green" portion of the EM spectrum means sensing energy wavelengths of

Accepted Answer

A)  0.7 μ\muμ m-0.98 μ\muμ m.
B)  0.4 μ\muμ m-0.5 μ\muμ m.
C)  0.6 μ\muμ m-0.7 μ\muμ m.
D)  0.5 μ\muμ m-0.6 μ\muμ m. E) B) and C)
F) C) and D)

Question 6

Describe the steps in the remote sensing process,starting with the sun as a source of energy and ending with the energy being received at a sensor (so it can be converted into an image).

Accepted Answer

Energy starts at the sun and radiates th...

Question 7

A remote sensing device simultaneously measuring seven bands of energy wavelengths would be capable of producing which type of imagery?

Accepted Answer

A)  Panchromatic
B)  Multispectral
C)  Hyperspectral
D)  UltraspectralE) B) and C)
F) C) and D) B

Question 8

The energy range of 0.7 to 1.3 micrometers defines which of the following types of energy?

Accepted Answer

A)  Red
B)  Near infrared
C)  Middle infrared
D)  Thermal infraredE) B) and C)
F) B) and D)

Question 9

Which of the following forms of electromagnetic energy has the shortest wavelength?

Accepted Answer

A)  Ultraviolet light
B)  Near-infrared light
C)  Radio waves
D)  MicrowavesE) A) and B)
F) A) and C)

Question 10

A pixel of an image displayed on a screen that has a brightness value of 127 in the red color gun,127 in the green color gun,and 127 in the blue color gun will produce which color for that pixel?

Accepted Answer

A)  Black
B)  White
C)  Grey
D)  No color will be produced with this combination.E) All of the above
F) C) and D)

Question 11

NDVI is primarily used to determine

Accepted Answer

A)  health of vegetation.
B)  amount of urban area.
C)  soil characteristics.
D)  water absorption.E) B) and D)
F) B) and C)

Question 12

Smoke and pollen cause what type of scattering in the atmosphere?

Accepted Answer

A)  Spectral scattering
B)  Nonselective scattering
C)  Rayleigh scattering
D)  Mie scatteringE) C) and D)
F) A) and B) D

Question 13

A charted identifier for an feature based on its reflectance of different wavelengths of energy is a

Accepted Answer

A)  spectral reflectance.
B)  spectral signature.
C)  spectral incidence.
D)  spectral scattering.E) C) and D)
F) None of the above

Question 14

Our eyes are sensitive to viewing which wavelengths of light?

Accepted Answer

A)  0.3 μ\muμ m-0.9 μ\muμ m
B)  0.4 μ\muμ m-0.7 μ\muμ m
C)  0.1 μ\muμ m-1.0 μ\muμ m
D)  0.7 μ\muμ m-0.9 μ\muμ m E) C) and D)
F) All of the above

Question 15

Energy that is trapped an held by a surface has been

Accepted Answer

A)  transmitted.
B)  absorbed.
C)  reflected.
D)  incidented.E) None of the above
F) B) and C) B

Question 16

We see the sky as blue in the middle of the day because of

Accepted Answer

A)  nonselective scattering.
B)  atmospheric transmittance.
C)  Rayleigh scattering.
D)  atmospheric absorption.E) A) and B)
F) A) and D)

Question 17

Placing the blue band in the blue color gun,the green band in the green color gun,and the red band in the red color gun will create which type of composite image?

Accepted Answer

A)  Spectral color
B)  Standard false color
C)  False color
D)  True colorE) A) and B)
F) A) and D)

Question 18

An 8-bit sensor can produce what range of brightness values?

Accepted Answer

A)  0-7
B)  0-8
C)  0-64
D)  0-255E) None of the above
F) All of the above

Question 19

Molecular level particles that cause scattering in the atmosphere are an example of

Accepted Answer

A)  Mie scattering.
B)  Rayleigh scattering.
C)  nonselective scattering.
D)  Spectral scattering.E) None of the above
F) A) and D)

Question 20

Describe the relationship between frequency and wavelength (of radiated waves of electromagnetic energy),and explain why they have this relationship.

Accepted Answer

Waves of energy that have a long wavelen...

Exam 10: How Remote Sensing Works

An atmospheric window is best described as

Correct AnswerverifiedShow Answer

A narrow range of wavelengths describes a

Correct AnswerverifiedShow Answer

Placing the green band in the blue color gun,the red band in the green color gun,and the near-infrared band in the red color gun will create which type of composite image?

Correct AnswerverifiedShow Answer

Which of the following forms of electromagnetic energy has the shortest frequency?

Correct AnswerverifiedShow Answer

Sensing in the "green" portion of the EM spectrum means sensing energy wavelengths of

Correct AnswerverifiedShow Answer

Describe the steps in the remote sensing process,starting with the sun as a source of energy and ending with the energy being received at a sensor (so it can be converted into an image).

Correct AnswerverifiedEnergy starts at the sun and radiates th...View AnswerShow Answer

A remote sensing device simultaneously measuring seven bands of energy wavelengths would be capable of producing which type of imagery?

Correct AnswerverifiedB

The energy range of 0.7 to 1.3 micrometers defines which of the following types of energy?

Correct AnswerverifiedShow Answer

Which of the following forms of electromagnetic energy has the shortest wavelength?

Correct AnswerverifiedShow Answer

A pixel of an image displayed on a screen that has a brightness value of 127 in the red color gun,127 in the green color gun,and 127 in the blue color gun will produce which color for that pixel?

Correct AnswerverifiedShow Answer

NDVI is primarily used to determine

Correct AnswerverifiedShow Answer

Smoke and pollen cause what type of scattering in the atmosphere?

Correct AnswerverifiedD

A charted identifier for an feature based on its reflectance of different wavelengths of energy is a

Correct AnswerverifiedShow Answer

Our eyes are sensitive to viewing which wavelengths of light?

Correct AnswerverifiedShow Answer

Energy that is trapped an held by a surface has been

Correct AnswerverifiedB

We see the sky as blue in the middle of the day because of

Correct AnswerverifiedShow Answer

Placing the blue band in the blue color gun,the green band in the green color gun,and the red band in the red color gun will create which type of composite image?

Correct AnswerverifiedShow Answer

An 8-bit sensor can produce what range of brightness values?

Correct AnswerverifiedShow Answer

Molecular level particles that cause scattering in the atmosphere are an example of

Correct AnswerverifiedShow Answer

Describe the relationship between frequency and wavelength (of radiated waves of electromagnetic energy),and explain why they have this relationship.

Correct AnswerverifiedWaves of energy that have a long wavelen...View AnswerShow Answer

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Energy starts at the sun and radiates th...
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B

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D

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B

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Waves of energy that have a long wavelen...
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