Geography · Remote Sensing
Consider the following statements regarding remote sensors: a. An active sensor senses by using its own source of energy. b. A passive sensor typically utilizes energy from the sun to sense. c. An active sensor can perform sensing during the day time as well as at night. d. A passive sensor (in the optical range) generally senses only during the day time. Which of the statements given above are correct?
- 1All of the above✓
- 2a, b and c
- 3Only a and b
- 4Only a
Correct answer
All of the above
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