WorksheetsRS - 1
Total questions: 35
Worksheet time: 18mins
_____ techniques might be used to monitor the number of trees that are being cut down or dying in a forest
Remote-sensing
Wizard-like
Cylindrical projections
Remote sensing is use for ______________.
Detecting plant health
Measuring snowpack
Monitoring wetlands
All of the above
When light is reflected off a surface, it is detected by passive remote sensing satellites and produces a(n) ________________, which we use to identify different surfaces.
Rainbow
Pulsar
Spectral Signatures
Awe inspiring moment
The two types of remote sensing are ____________ & _____________.
Yogi & Boo Boo
Color & Panchromatic
Passive & Active
Sputnik & GOES
T or F: Remote sensing can be used to monitor changes on the Earth's surface over time.
True
False
Not Sure
Landsat 1 was launched in which year?
1971
1975
1972
1980
Launching date and year of Landsat 7
April 15, 1999
July 15, 1999
September15, 1999
Determine the number of classification for remote sensing
1 classification
2 classifications
3 classifications
4 classifications
Healthy vegetation reflects energy in what parts of the electromagnetic spectrum?
Blue and Green
Green and Near-Infrared
Blue and Red
Green and Red
What part of the electromagnetic spectrum can we see with our eyes?
Near-Infrared
Red, Green, Blue
Microwave and radio
Ultraviolet rays
Water appears blue because shorter visible wavelengths (blue) are absorbed more than longer visible wavelengths (green and red) and near-IR radiation.
True
False
Non-polar orbiting satellites do not provide global coverage.
False
True
Passive remote sensing is where instruments emit a signal and the sensor measures what is reflected back.
True
False
What is the relationship between spatial resolution and spatial extent in satellite imagery?
low spatial resolution = greater spatial extent
high spatial resolution = greater spatial extent
Which one of the following is example of active remote sensor?
Landsat
RADAR
ASTER
Ikonos
Is our eye a remote sensor?
YES
NO
What is worlds first Artificial Satellite?
Aryabhatta
Sputnik
Quick Bird
IRS-1
Which one of the following is example of active remote sensor?
Landsat
RADAR
ASTER
Ikonos
How many types of resolution in remote sensing?
2
3
4
5
The observations made over the same area on different dates to monitor ground features, is called -
Spatial Resolution
Temporal Resolution
Radiometric Resolution
Spectral Resolution
Select TWO components in Remote Sensing:
Data
Platform
Sensor
Camera
Which of the following is not a principle of remote sensing?
Interaction of energy with satellite
Electromagnetic energy
Electro-magnetic spectrum
Interaction of energy with atmosphere
Polar orbiting satellites are generally placed at an altitude range of __________
7-15km
7000-15000km
700-1500km
70-150km
In visible region, the blue light is having a wave length range of __________
0.42-0.52 micrometer
0.24-0.52 micrometer
0.42-0.92 micrometer
0.22-0.32 micrometer
In EM waves, electric field is not used.
False
True
In the following figure, X represents___________
Length
Time period
Frequency
Wave length
The altitudinal distance of a geostationary satellite from the earth is about:
26,000 km
30,000 km
35,000 km
44,000 km
Pick up the correct statement from the following:
In remote sensing technique, the observation place, is called a platform
Platforms may be either stationary or mobile
Spatial resolution of the imaging system becomes poorer with increase of platform height
All of these
Generally, purpose of geostationary satellite is:
Remote Sensing
Global positioning
Telecommunication and weather monitoring
None of the above
The light which our eyes - our "remote sensors" - can detect is part of the:
Ultraviolet
Visible spectrum
Infrared
Microwave
The visible wavelengths cover a range from approximately
0.4 to 0.7 µm
0.7 µm to 1mm
0.4 to 1mm
(b) 3.5 and 20 µm
Passive remote sensing is where instruments emit a signal and the sensor measures what is reflected back.
True
False
provide their own energy source for illumination.
(a)
