Remote sensing uses which of the following waves in its procedureQuestion 1AnswerA.Electric fieldB.Electro-magnetic wavesC.Gamma-raysD.Solar waves

Analyzing the Options for Remote Sensing

1. Understanding Remote Sensing: Remote sensing refers to the technology involved in gathering information about an object or area from a distance, typically from satellites or aircraft using sensors.

2. Relevance of the Options:

   • A. Electric field: This does not directly relate to the imaging processes or data collection methods used in remote sensing.
   • B. Electro-magnetic waves: These waves cover a broad spectrum, including visible light, infrared, ultraviolet, and microwave, which are commonly used in remote sensing applications.
   • C. Gamma-rays: While gamma-rays are part of the electromagnetic spectrum, they are not typically used in common remote sensing applications due to their very high frequency and energy, which are not effective for most terrestrial observations.
   • D. Solar waves: This term is vague; while solar irradiation can influence some data collected in remote sensing, it is not the direct method of data gathering.

Conclusion

Electromagnetic waves are crucial for remote sensing, as they enable the capture of various types of data across different wavelengths for applications in environmental monitoring, mapping, and resource management.

Final Answer

B. Electro-magnetic waves