Elements Of Remote Sensing
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?

1, 2, 3
1, 3
2, 3
1, 2

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Elements Of Remote Sensing
Which one of the following statements is correct regarding the GPS satellites?

The nominal altitude is about 20,200 km
The inclination of axis satellite is 55°
All of these
The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)

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Elements Of Remote Sensing
Which one of the following statement is incorrect regarding the electromagnetic radiation?

These are produced by the motion of electric charge
None of these
The oscillation of charged particles sets up changing electric fields
The changing electric fields induce the changing magnetic fields in the surrounding medium

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