Remote Sensing and GIS (3150617) MCQs

MCQs of Remote sensing

Showing 51 to 60 out of 78 Questions
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51.

RISAT(RADAR Imaging Satellite) satellites employs C – band of ____________ cm wavelength band. 

(a)

3.0 - 3.9
(b)

3.9 - 7.5 
(c)

7.5 - 10 
(d)

10 - 14
Answer:

Option (b)

52.

RISAT - 2B was launched on ______________________.

(a)

22nd May 2020
(b)

22nd May 2019
(c)

25th May 2019
(d)

29th August 2019
Answer:

Option (b)

53.

Most of state of art LiDAR system uses _____ µm and _____ µm wavelengths.

(a)

0.9 and 1.55
(b)

0.98 and 1.54
(c)

0.89 and 1.62
(d)

None of the above 
Answer:

Option (a)

54.

SONAR imaging is an example of _____________ form of remote sensing.

(a)

Active 
(b)

Passive
(c)

Both A and B 
(d)

None of the above 
Answer:

Option (a)

55.

_________________ is capacity with which the sensor can sense smallest possible object with reasonable accuracy.

 

(a)

Spatial resolution 
(b)

Spectral resolution
(c)

Radiometric resolution
(d)

None of the above 
Answer:

Option (a)

56.

An image having spatial resolution of 0.5 m is more accurate than image having spatial resolution of 1.5 m ?

(a)

True 
(b)

False
Answer:

Option (a)

57.

Spatial resolution of CARTOSAT - 3 is _____________.

(a)

0.10 m 
(b)

0.20 m 
(c)

0.25 m 
(d)

0.50 m
Answer:

Option (c)

58.

___________________is the capacity of the sensor to sense smallest difference in radiant energy.

(a)

Spatial resolution
(b)

Radiometric resolution
(c)

Spectral resolution
(d)

All of above
Answer:

Option (b)

59.

An 8 - bit image can respresent how many shades of single colour depending on the energy level ?

(a)

8
(b)

256
(c)

64
(d)

16
Answer:

Option (b)

60.

Temporal resolution of the satellites projected in Geostationary orbit is ___________.

(a)

365 days 
(b)

3 - 4 days 
(c)

Zero 
(d)

None of the above 
Answer:

Option (c)

Showing 51 to 60 out of 78 Questions
3 4 5 6 7 8