Elements Of Remote Sensing
If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height

h = (B/H) dp
h = dp/(B/H)
h = dp/(H/B)
h = (H/B) dp

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

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

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Elements Of Remote Sensing
‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct?

Height displacement of B will be less than that of A
Height displacement of A will be less than that of B
Height displacement of A and B is equal
Height displacement of A and B will be towards each other

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