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Civil Engineering - Elements of Remote Sensing

Exercise : Elements of Remote Sensing - Section 3
31.
The emission of electrons from a metal plate exposed to light depends on the :
intensity of the light
frequency of light
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The range measurements in GPS are made with :
3 L - band frequencies
2 L - band frequencies
2 C - band frequencies
3 C - band frequencies
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
'A time varying magnetic field produces an electric field'. This phenomenon is known as
Newton's law
Kirchofflaw
Ampere Maxwell law
Faraday's law
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
For obtaining accurate distance of the satellite
the GPS receiver slides its codes backwards until it synchronises with the satellite signals
the signal arrival time is corrected for tropospheric and ionospheric delays
the carrier phase measurement technique is adopted
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
GPS has been widely recognized as accurate, fast and cost-effective method for the following:
Collection of the geographic coordinate data used in GIS
for movement of navigation
For determination of precise orbit and altitude of low earth orbiting satellites
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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