Practice Test: Question Set - 08
1. The infrared portion of EMR lies between
- (A) 0.4 - 0.7 μm
- (B) 0.5 mm to 1 μm
- (C) 0.7 - 1.3 μm
- (D) 0.7 to 14 μm
2. Which one of the following geometric errors of satellite sensors is random?
- (A) Scan
skew
- (B) Panoramic
distortion
- (C) Earth
rotation
- (D) Altitude
variation
3. Pick up the correct statement from the following:
- (A) The first
man-made satellite, Sputnik-l' was launched on 4th October, 1957
- (B) The
United State's Explorer 6 transmitted the first picture of the earth in August
1959
- (C) Television
Infrared Observation Satellite (TIROS) designed for meteorological
observations, started systematic earth observations from space from 1, April,
1960
- (D) All of these
4. Which one of the following frequency regions is a part of sun's radiation?
- (A) Ultraviolet
frequency region
- (B) Infrared
frequency region
- (C) Radio
frequency region
- (D) All of these
5. The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:
- (A) Ozone hole
- (B) Atmospheric
window
- (C) Ozone window
- (D) Black hole
6. Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct?
- (A) C = v +
λ
- (B) C = λ/v
- (C) C = vλ
- (D) C = 1/λv
7. In GPS, receivers are used are;
- (A) Electronic
clocks
- (B) Atomic clocks
- (C) Quartz
clocks
- (D) Mechanical
clocks
8. For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is:
- (A) 130 km
- (B) 230 km
- (C) 250 km
- (D) 500 km
9. Which one of the following attributes is not associated with digital maps
- (A) Color
- (B) Symbology
- (C) Legends
- (D) South arrow
10. The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called:
- (A) Sensors
- (B) Passive
sensors
- (C) Active
sensors
- (D) None
of these
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