Civil Engineering Mcqs

Pick up the correct statement from the following_________________?
  • (A)  When the electric field oscillates in the direction of the electric vector, a plane polarised wave is formed
  • (B)  When the electric vector is in the plane of incidence, vertical polarisation is formed
  • (C)  When the electric vector is at right angles to the plane of incidence, horizontal polarization wave is formed
  • (D)  All of these
Geodimeter is based on_________________?
  • (A)  Propagation of modulated light waves
  • (B)  Propagation of infrared radiation
  • (C)  The visible light as carrier with frequency of the order of 5 × 1014 Hz
  • (D)  High frequency radio waves