Module 3 Quiz

Which type of resolution refers to the ability of a sensor to distinguish small features on the Earth's surface?

• Spectral resolution

• Temporal resolution

• Spatial resolution

• Radiometric resolution

Which resolution describes the sensor’s ability to detect subtle differences in energy levels?

• Spatial resolution

• Temporal resolution

• Radiometric resolution

• Spectral resolution

Which of the following best describes passive remote sensing?

• Uses radar signals to scan the Earth's surface

• Relies on external energy sources such as the Sun

• Emits its own energy to scan the surface

• Operates in the microwave spectrum

What does spectral resolution refer to?

• The number of spectral bands a sensor can capture

• The ability to detect subtle changes in brightness

• The frequency with which a satellite revisits the same area

• The ability to separate small objects on the surface

Which type of sensor operates by emitting energy and measuring the reflected signal?

• Passive sensor

• Optical sensor

• Active sensor

• Thermal sensor

Temporal resolution refers to:

• The ability to detect objects in multiple wavelengths

• The clarity of objects in an image

• The time interval between successive data acquisitions of the same area

• The ability to measure the brightness of objects

Which type of remote sensing is primarily used in radar imaging?

• Passive remote sensing

• Active remote sensing

• Optical remote sensing

• Hyperspectral sensing

What type of resolution defines the sensor's sensitivity to different intensities of radiation?

• Temporal resolution

• Spectral resolution

• Spatial resolution

• Radiometric resolution

Which of the following sensors uses passive remote sensing?

• Synthetic Aperture Radar (SAR)

• Light Detection and Ranging (LiDAR)

• Landsat optical sensors

• Side-Looking Airborne Radar (SLAR)

Which sensor system operates primarily during the day when sunlight is available for reflection?

• Radar

• Passive sensor

• Thermal infrared

• Microwave