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Civil Engineering - Elements of Remote Sensing

Exercise : Elements of Remote Sensing - Section 2
36.
Which one of the following quantities forms the basis of radiometery?
Radiant energy (Q)
Radiant flux (φ)
Radiant intensity (I)
Radiance (L)
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The maximum sun's radiation occurs around:
0.4 μm wave length
0.55 μ wave length
0.7 μ wave length
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Pick up the correct statement from the following :
The minimum frequency of light for which no electrons are emitted, is called threshold frequency.
Polarising angle of glass is 57°.5
At the polarising angle, the reflected and refracted rays are orthogonal
All the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Pick up the correct statement from the following:
The refractive index of a medium varies according to the wavelength of the radiation,
The variation of the refractive index with wave length, is called dispersion,
The splitting of colours of white light by passing through a prism, is caused due to dispersion.
All the these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Which one of the following attributes is not associated with digital maps
colour
symbology
legends
south arrow
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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