Q. 21 The value of energy quantum for radiation of any frequency is proportional to:
A. The square of the frequency
B. The square root of the frequency
C. The frequency
D. The reciprocal of the energy
C. The frequency
Q. 22 Which one of the following statements is correct?
A. A map is a collection of stored, analysed data, its stored information is suitability used in making decisions
B.
C. The information system is the chain of operations
D. All the above
D. All the above
Q. 23 Which one of the following geometric errors of satellite sensors is random?
A. Altitude variation
B. Scan skew
C. Panoramic distortion
D. Earth rotation
A. Altitude variation
Q. 24 Pick up the correct statement from the following:
A. The United State’s Explorer 6 transmitted the first picture of the earth in August 1959
B. Television Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960
C. The first man-made satellite, Sputnik-l’ was launched on 4th October, 1957
D. All of these
D. All of these
Q. 25 Which one of the following frequency regions is a part of sun’s radiation?
A. Infrared frequency region
B. Ultraviolet frequency region
C. Radio frequency region
D. All of these
D. All of these
Q. 26 The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:
A. Atmospheric window
B. Ozone hole
C. Ozone window
D. Black hole
A. Atmospheric window
Q. 27 In GPS, receivers used are;
A. Mechanical clocks
B. Quartz clocks
C. Electronic clocks
D. Atomic clocks
B. Quartz clocks
Q. 28 For C band Synthetic Aperture Radar (SAR) with Doppler band width of 1300 Hz, the coherence length loch is:
A. 250 km
B. 500 km
C. 230 km
D. 130 km
C. 230 km
Q. 29 Which one of the following attributes is not associated with digital maps
A. Symbology
B. Colour
C. Legends
D. South arrow
D. South arrow
Q. 30 The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called:
A. Passive sensors
B. Sensors
C. Active sensors
D. None of these
C. Active sensors
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