Question: Pick up the correct statement from the following ?
- 1. In remote sensing technique, the observation place, is called a platform
- 2. Platforms may be either stationary or mobile
- 3. Spatial resolution of the imaging system becomes poorer with increase of platform height
- 4. All of these
Question: Pick up the correct statement from the following ?
- 1. Topology describes the geometric characteristic of objects which do not change under transformations and are independent of any coordinate system
- 2. Topological characteristics of an object are independent of scale measurement
- 3. The three elements of topology are adjacency, containment, and connectivity
- 4. All of these
Question: Pick up the correct statement from the following?
- 1. Frequency is the number of wave crests passing a fixed point in one second
- 2. Frequency of a wave is measured in Hertz (Hz)
- 3. Amplitude of a wave is the height of its crust from the mid-point
- 4. All of these
Question: Which one of the following statement is correct ?
- 1. Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
- 2. The rate of transfer of radiant energy is called flux and is expressed in watts
- 3. The radiant energy which falls upon a surface is termed as irradiance
- 4. All of these
Question: Pick up the correct statement from the following?
- 1. The surface defined by the locus of points having same phase, is called a wave front
- 2. The wave whose surface of constant phase are parallel planes, is known as a plane wave
- 3. The relative phase difference between the waves is important and not the absolute phase of a point on the wave
- 4. All of these
Question: Which one of the following statements is correct ?
- 1. Snow albedo falls at all wave length with the increase of grain size
- 2. The effect of grain size on reflection is maximum in the near-IR region
- 3. The effect of grain size on reflection is low in the visible region of the spectrum
- 4. All of these
Question: Pick up the correct statement from the following?
- 1. The ratio of the up flux and down flux just above the snow surface, is called albedo
- 2. Spectral albedo of snow is calculated for the semi-infinite snow thickness
- 3. Water equivalent height of snow is the height of water column obtained by melting snow
- 4. All of these
Question: Pick up the correct statement from the following ?
- 1. The first man-made satellite, Sputnik-l’ was launched on 4th October, 1957
- 2. The United State’s Explorer 6 transmitted the first picture of the earth in August 1959
- 3. Television Infrared Observation Satellite (TIROS) designed for meteorological observations, started systematic earth observations from space from 1, April, 1960
- 4. All of these
Question: Which one of the following statements is correct ?
- 1. The function of an information system is to improve one s ability to make decisions
- 2. The information system is the chain of operations
- 3. A map is a collection of stored, analysed data, its stored information is suitability used in making decisions
- 4. All the above
Question: Pick up the correct statement from the following ?
- 1. Phase of a wave is expressed as a fraction of a period with respect to a reference
- 2. Phase is usually specified by angular measure with one period being 360°
- 3. The reference for finding the phase of a wave is taken from the previous passage through zero from the negative to the positive direction
- 4. All of these
