Quiz 2: Passive EO

The instruments which provide the electromagnetic radiation of specified wave length to illuminate the Earth surface are called

• Passive sensors

• Active sensors

• Spectrometer

The altitudinal distance of a geostationary satellite from the Earth is about......?

• 44,000 km

• 36,000 km

• 26,000 km

• 30,000 km

The basic requirement of any sensor system is:

• all listed here

• radiometric resolution

• spatial resolution

• spectral resolution

An image that shows finer details is said to be of:

• None of the above

• Moderate resolution

• Finer resolution

• Coarser resolution

METEOSAT are satellites placed on ........ orbit.

• Polar

• Sun-synchronous

• Geostationary

Temporal resolution refers to ______ of a sensor:

• Instantaneous Field of View

• None of the above

• Ground Sample Distance

• Revisit Time

Which from the following satellite mission provides data to estimate daytime land surface temperature?

• Sentinel-2

• Sentinel-5P

• Landsat 8

• Sentinel-3