Civil Engineering - Elements of Remote Sensing

Exercise :: Elements of Remote Sensing - Section 2

11. 

Formation of snow occurs if the cloud temperature is

A. just above the freezing point
B. at the freezing point
C. below the freezing point
D. None of these

Answer: Option C

Explanation:

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12. 

In case of reflection and refraction of electromagnetic radiation,

A. angle of incidence = angle of refraction
B. angle of incidence = angle of reflection
C. angle of refraction = sum of the angles of incidence and refraction
D. All the above

Answer: Option B

Explanation:

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13. 

For interpolation of satellite data used for monitoring dynamic changes that occure on the earth surface, the most suitable orbit for the satellite is :

A. circular orbit
B. sun-synchronous orbit
C. near polar orbit
D. None of these

Answer: Option B

Explanation:

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14. 

The altitudinal distance of a geostationary satelite from the earth is about:

A. 26, 000 km
B. 30, 000 km
C. 36, 000 km
D. 44, 000 km

Answer: Option C

Explanation:

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15. 

Geodimeter is based on :

A. propogation of modulated light waves
B. propogation of infrared radiation
C. the visible light as carrier with frequency of the order of 5 x 1014Hz
D. high frequency radio waves.

Answer: Option A

Explanation:

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