Multiple Choice Questions on Civil Remote Sensing - Set 08 - ObjectiveBooks

# Practice Test: Question Set - 08

1. The infrared portion of EMR lies between
(A) 0.4 - 0.7 Î¼m
(B) 0.5 mm to 1 Î¼m
(C) 0.7 - 1.3 Î¼m
(D) 0.7 to 14 Î¼m

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
(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 (Î»), and frequency and the speed (C) of the electromagnetic wave is correct?
(A) C = v + Î»
(B) C = Î»/v
(C) C = vÎ»
(D) C = 1/Î»v

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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