Q.1
Which among the following is not a phenomenon in case of interaction of EM waves on earth surface?
  • a) Reflection
  • b) Absorption
  • c) Transmission
  • d) Refraction
Q.2
Which of the following can be changed while interaction of EM wave with a surface?
  • a) Intensity
  • b) Diffraction
  • c) Wave length
  • d) Direction
Q.3
Which of the following indicates a volume phenomenon?
  • a) Refraction
  • b) Reflection
  • c) Transmission
  • d) Diffraction
Q.4
Determine the energy of the wave length, if the reflected, absorbed and transmitted energies were given as 56J,andrespectively.
  • a) 87J
  • b) 78J
  • c) 89J
  • d) 17J
Q.5
Find the value of reflectance if the reflected and incident energies are given asand 87J.
  • a) 0.94
  • b) 0.42
  • c) 0.99
  • d) 0.49
Q.6
What will be the value of absorbance, if the absorbed and incident energies are given asandrespectively?
  • a) 0.16
  • b) 0.61
  • c) 0.69
  • d) 0.72
Q.7
Find the transmittance, if the transmitted and incident energies are given asandrespectively.
  • a) 0.51
  • b) 0.45
  • c) 0.15
  • d) 0.5
Q.8
What will be reflectance value if the possess an emissivity of 56.
  • a) 55
  • b) 50
  • c) 54
  • d) 52
Q.9
When emissivity is zero, what will be the value of reflectance?
  • a) One
  • b) Zero
  • c) Ten
  • d) Not equal to one
Q.10
Generally, the value of reflectance varies from __________
  • a) 10-20
  • b) 0-10
  • c) 0-1
  • d) 0-0.5
0 h : 0 m : 1 s