Podcast
Questions and Answers
Which type of sensors in remote sensing rely on an external source of energy?
Which type of sensors in remote sensing rely on an external source of energy?
- Infrared sensors
- Passive sensors
- Ultraviolet sensors
- Active sensors (correct)
In remote sensing, how is Electromagnetic Radiation (EMR) primarily used?
In remote sensing, how is Electromagnetic Radiation (EMR) primarily used?
- To create artificial light sources
- To directly interact with the human eye
- To gather information about the Earth's surface and atmosphere (correct)
- To transmit and receive data wirelessly
What is the main function of passive sensors in remote sensing?
What is the main function of passive sensors in remote sensing?
- Generates its own energy for scanning
- Detects energy naturally emitted by objects (correct)
- Receives signals from satellites
- Emits energy to scan the surroundings
What happens when Electromagnetic Radiation interacts with the Earth's surface in remote sensing?
What happens when Electromagnetic Radiation interacts with the Earth's surface in remote sensing?
How do passive sensors record Electromagnetic Energy in remote sensing?
How do passive sensors record Electromagnetic Energy in remote sensing?
Which type of sensors in remote sensing require their own source of energy to operate?
Which type of sensors in remote sensing require their own source of energy to operate?
What is the primary method of recording Electromagnetic Energy in remote sensing?
What is the primary method of recording Electromagnetic Energy in remote sensing?
In remote sensing, which factor determines the wavelength range of energy recorded by sensors?
In remote sensing, which factor determines the wavelength range of energy recorded by sensors?
When Electromagnetic Radiation interacts with the atmosphere, which process causes scattering of the radiation?
When Electromagnetic Radiation interacts with the atmosphere, which process causes scattering of the radiation?
How do Active sensors differ from Passive sensors in terms of data acquisition in remote sensing?
How do Active sensors differ from Passive sensors in terms of data acquisition in remote sensing?
