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Civil Engineering - Elements of Remote Sensing

Exercise : Elements of Remote Sensing - Section 3
26.
Phytoplanktons :
are microscopic plants
are the first link in all the aquatic and marine food chains
convert solar energy, dissolved carbon and nitrogen into organic biomass
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
The maximum absorption of solar radiation due to ozone occurs at wave lengths:
shorter than 0.3 μm
shorter than 0.2 μm
greater than 0.3 μm
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which one of the following statements is correct to remote sensing?
The basic property used to identify objects, is called signature.
The ratio of the reflected flux to incident flux is called reflectance which varies fron 0 to 1
The surface from which emergent radiance is constant in all directions is called Lambertian surface.
All of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which one of the following frequencies is a GPS ?
L1 with frequency 1520 MHz
L1 with frequency 1575.42 MHz
L1 with frequency 1227.6 MHz
L1 with frequency 1280.43 Hz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Snow cover on the earth surface :
gives the highest reflectance in the visible spectrum
shows marked variation in its reflectance characteristics
Shows side variation in the grain size
All the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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