环境遥感章节测试课后答案2024春

第一章测试

1.Which of the following is not a component of the electromagnetic spectrum? （ ）
A:Sound waves B:Infrared radiation C:Radio waves D:Visible light
答案:A
2.Which of the following electromagnetic radiation wavelengths is not typically used in remote sensing? （ ）
A:Radio waves B:Microwave radiation C:Ultraviolet radiation D:Gamma radiation
答案:D
3.Spatial resolution refers to: （ ）
A:The distance between the sensor and the target being observed B:The amount of energy reflected by the target being observed C:The ability of a sensor to detect different wavelengths of electromagnetic radiation D:The size of the smallest object or feature that can be detected by a remote sensing system
答案:D
4.According to Wien's displacement law, if the temperature of a blackbody doubles, the wavelength of maximum radiation emitted will: （ ）
A:Remain the same B:Halve C:Quadruple D:Double
答案:B
5.Which of the following is true about spectral resolution? （ ）
A:Spectral resolution is determined by the size of the sensor used to collect the data B:Spectral resolution is not important for image interpretation C:Higher spectral resolution means that smaller objects can be detected D:Lower spectral resolution means that fewer spectral bands can be detected
答案:D
6.Planck's equation relates: （ ）
A:The intensity of electromagnetic radiation to its frequency B:The frequency of electromagnetic radiation to its energy C:The speed of electromagnetic radiation to its wavelength
答案:B
7.Which of the following statements is true about radiance? （ ）
A:It is the amount of energy per unit area per unit time B:It is the amount of energy per unit volume per unit time C:It is the amount of energy per unit solid angle per unit time D:It is the rate at which energy is emitted or transmitted by an object in the form of electromagnetic radiation
答案:C
8.Electromagnetic radiant flux density is measured in: （ ）
A:Joules per square meter B:Watts per cubic meter C:Watts per steradian D:Watts per square meter
答案:D
9.Which of the following surfaces would have the highest solar energy absorption? （ ）
A:A black surface B:A green surface C:A white surface D:A blue surface
答案:A
10.Reflectance is the ratio of: （ ）
A:The amount of electromagnetic radiation transmitted through a surface to the amount of radiation absorbed by the surface B:The amount of electromagnetic radiation absorbed by a surface to the amount of radiation reflected by the surface C:The amount of electromagnetic radiation reflected by a surface to the amount of incident radiation D:The amount of electromagnetic radiation absorbed by a surface to the amount of radiation transmitted through the surface
答案:C