The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared______________?

Related Mcqs:

1. The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called________________?

   A. Reflectance
   B. Reflectance factor
   C. Albedo
   D. None of these

2. The optical property of a water body depends on ?

   A. Absorption by the dissolved material
   B. Absorption by the suspended particulate matter
   C. Scattering by the suspended particulate matter
   D. All of these

3. In case of reflection and refraction of electromagnetic radiation ?

   A. Angle of incidence = angle of refraction
   B. Angle of incidence = angle of reflection
   C. Angle of refraction = sum of the angles of incidence and refraction
   D. All the above

4. Leaf reflectance depends primarily on______________?

   A. The pigments
   B. Internal cell structur
   C. Equivalent water content
   D. All of these

5. The value of energy quantum for radiation of any frequency is proportional to________________?

   A. The frequency
   B. The reciprocal of the energy
   C. The square of the frequency
   D. The square root of the frequency

6. Pick up the correct statement from the following?

   A. The minimum frequency of light for which no electrons are emitted, is called threshold frequency
   B. Polarising angle of glass is 57.5°
   C. At the polarising angle, the reflected and refracted rays are orthogonal
   D. All the above

7. Which one of the following statement is correct ?

   A. Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
   B. The rate of transfer of radiant energy is called flux and is expressed in watts
   C. The radiant energy which falls upon a surface is termed as irradiance
   D. All of these

8. For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is______________?

   A. Circular orbit
   B. Sun-synchronous orbit
   C. Near polar orbit
   D. None of these

9. In GPS, receivers used are___________________?

   A. Electronic clocks
   B. Atomic clocks
   C. Quartz clocks
   D. Mechanical clocks

10. Orbital radius of GPS satellites is approximately ___________________?

    A. 15,200 km
    B. 26,600 km
    C. 18,400 km
    D. 36,000 km