ESM238 --------------------------------------------------------------------------------------------------- Question: The temperature above which electromagnetic emission begins is _________ Answer: Absolute zero Question: Electromagnetic radiation may be generated into a _________and _________ Answer: Electric field and a magnetic field Answer: Electric and magnetic field Question: Aerosols are larger in size than the wavelength of _________ Answer: Sunlight Question: In the effort to collect data hand-held Cameras are used to acquire _________.images Answer: Oblique Question: Photographic cameras use_________ Coated systems to record image Answer: Film Question: _________Remote sensing devices detect reflected EMR Answer: Passive Question: An Air Photo Index map is a _________representation of flight lines and photo centres Answer: Graphical Question: The process of transmission of electromagnetic waves through the atmosphere and the influence of the atmosphere is called _________ Answer: Radioactive transfer Question: A photographic camera used with a flash is an example of __________ remote sensing platform Answer: Active Question: The ratio of the distance between two points on the map or photo to the actual distance between the same two points on the ground is called _________ Answer: Scale Question: The spectral signature of an object is its pattern of _________.over a range of wavelengths Answer: Reflectance Question: Large-scale photos cover _________areas in _________details Answer: Small, Greater Question: _________are small registration marks exposed at the edge of aerial photographs Answer: Fiducial marks Question: _________is the 3-D view of a photograph which results when two overlapping photos are viewed using a stereoscope Answer: Stereoscopic coverage Question: Shortwave _________.may be used for geological classification of rock types Answer: Infrared Question: The use of images from various regions of EM spectrum is_________ Answer: Multispectral Question: A_________Is a photographic reproduction of a series of aerial photographs Answer: Mosaic Question: _________requires that the objects be in direct physical contact Answer: Conduction Question: The wavelength of emitted energy is a function of _________ Answer: Temperature Question: Thermal radiation can be expressed in terms of _________ Answer: Black body theory Question: _________ is the ratio of incident flux on a sample surface to reflected flux from the surface Answer: Reflectance Question: The reflectance using the incident light sun from the sun is called _________ Answer: Albedo Question: The sun is the energy source used to detect reflective energy of ground surfaces in the visible and near_________regions Answer: Infrared Question: Radioactive scattering depends on the _________.and the direction of incident light and scattering Answer: Size of the particles Question: Scattering is dominant in the _________wavelength region Answer: Shorter Question: Thermal radiation is dominant in the _________region Answer: Thermal infrared Question: The higher the altitude of the platform used to acquire the remote sensing data the _________ the Imagery Answer: Smaller Question: Remote sensing devices that emit signals and detect the intensity of the signals reflected back off an object are said to be _________ Answer: Active Question: Air photos record all visible features on the Earth’s surface from an _________perspective Answer: Overhead Question: The distance between the middle of the camera lens to the focal plane is called_________ Answer: Focal length Question: The amount by which one photograph includes the area covered by another photograph, expressed in percentage, is known as _________ Answer: Overlap Question: Air photo _________is used to relate photos to their geographical locations Answer: Index map Question: When prints are laid out such that the prints join together in a best fit scenario, the mosaic is said to be_________ Answer: Uncontrolled Question: When prints from mosaics are tone-matched but not rectified, the mosaic is said to be _________ Answer: Semi controlled Question: When prints are tone-matched and rectified to fit the map base, the mosaic is said to be_________ Answer: Controlled Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: _________Remote sensing devices detect reflected EMR Answer: Passive Question: A photographic scale of 1 millimeter representing 15 meters means? Answer: 1:15000 Question: The _________ does generate electromagnetic energy required in sensing Answer: Sun Question: Electromagnetic Radiation is________energy in transit Answer: Electromagnetic Question: The technique of information about objects through analysis of data obtained using equipment that are not in physical contact with objects of investigation is called_________ Answer: Remote sensing Question: The technique of information about objects through analysis of data obtained using equipment that are not in physical contact with objects of investigation is called_________ Answer: Emission Question: A small amount of electromagnetic energy is produced by internal heat and_________ Answer: Radioactive decay Question: Electro-magnetic wave can be treated as a photon or a _________ Answer: Light quantum Question: In radiation, the _________is the magnitude of oscillating electric field Answer: Amplitude Question: The energy radiated from an object is called ______energy Answer: Radiant Question: A plane including electric field is called a plane of _________ Answer: Polarization Question: Of the total in-coming solar radiation _________% is reflected by the earth’s surface Answer: 4 Question: Of the incoming solar radiation, _________% is reflected by the atmosphere Answer: 7 Question: Of the incoming solar radiation, _________% is reflected by the clouds Answer: 24 Question: _________% of the solar radiation is absorbed by the earth’s atmosphere Answer: 16 Question: _________% of the solar radiations is absorbed by the clouds Answer: 2 Question: _________% of the solar radiation is absorbed directly by the earth’s atmosphere Answer: 23 Question: _________% of the solar radiation is absorbed indirectly by the earth’s surface as a result of diffuse scattering Answer: 24 Question: _________law is a function of Temperature and wavelength Answer: Plank’s Question: _________law is obtained by integrating the spectral radiance Answer: Stefan-Boltzmann’s Question: The atmospheric effects of radioactive transfer may be multiplicative and_________ Answer: Additive Question: Digital cameras use an array of _________to record images Answer: EMR Sensors Question: The type of camera used in taking air photos in mountainous terrains is called_________ Answer: Trimetrigon Cameras Question: An array of cameras that take simultaneous overlapping images of a terrain is called_________ Answer: Trimetrigon Cameras Question: The process of gathering and studying information required for the identification of the various natural and cultural features from photos is called_________ Answer: Ground-interpretation Question: 1mm = 35m is _________form of presentation of scale. Answer: Unit equivalent Question: 1:40000 is______form of presentation of scale Answer: Ratio Question: Express the scale 1 mm = 40 m in ratio form_________ Answer: 1:40000 Question: The making of measurements on aerial photography is primarily_________ Answer: Quantitative Question: Remote sensing images which consist of many themes are _________ Answer: Multi-thematic Question: Image interpretation is basically a _________process Answer: Deductive Question: The image interpreter should always be conscious of all the _________information Answer: Tilting Question: Images may be searched using a _________expedition or a logical method Answer: Fishing Question: Detection and identification of stimulus on aerial photographs are _________ Answer: Qualitative Question: Data collection in remote sensing involves which of the following____ Answer: All of the options Question: _________Remote sensing devices detect reflected EMR Answer: Passive Question: A photographic scale of 1 millimeter representing 15 meters means? Answer: 1:15000 Question: The _________ does generate electromagnetic energy required in sensing Answer: Sun