82.
Earth observations from a satellite platform provide:

83.
The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called:

84.
Pick up the correct statement from the following

85.
Consider the following statements regarding the satellite imaging:
1. The satellite orbit is fixed in the inertial space
2. During successive across-track imaging, the earth rotates beneath the sensor
3. The satellite images a skewed area
Which one of the following statements is/are correct?

86.
Due to scan geometry of a satellite sensor: