Unit 5 Payloads Quiz

The Earth's atmosphere, which comprises a variety of gasses like carbon dioxide, ozone, and water vapor, causes which of the following remote sensing effects? (Select all that apply)

• Absorption

• Refraction

• Scattering

• Turbulence

Which types of scattering result in the sky looking blue and clouds looking white?

• Mie and Non-selective

• Non-selective only

• Rayleigh and Mie

• Rayleigh and Non-Selective

Ground Sample Distance is a measurement of what type of resolution?

• Radiometric

• Spatial

• Spectral

• Temporal

Which of the following are categories of the Electromagnetic Spectrum? (Select all that apply)

• • Gamma

• Infrared

• • Microwave

• • X-Ray

The human eye can only detect electromagnetic radiation wavelengths between which of the following?

• Infrared and Ultraviolet

• Microwave and Infrared

• Radio and Infrared

• Ultraviolet and Gamma

Selecting a payload sensor that can “see” infrared electromagnetic radiation means the operator is concerned with what type of resolution?

• Radiometric

• Spatial

• Spectral

• Temporal

Which of the following is a measure of the amount of electromagnetic radiation leaving the surface (such as the ground or a plant)?

• Emissivity: 1 No (16.7%)

• Irradiance: 0 No (0.0%)

• Radiance: 4 Yes (66.7%)

Emissivity compares the thermal emittance of an object to that of which of the following?

• A black body

• A white body

• The ambient temperature of the water

• The theoretical number

Passive imaging payloads rely on natural energy sources, such as sunlight, to create images.

• True

• False

Passive imaging payloads emit energy and measure the energy reflected or scattered back from the target object or surface.

• True

• False